FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Parry David C   2. Issuer Name and Ticker or Trading Symbol ILLINOIS TOOL WORKS INC [ITW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) ILLINOIS TOOL WORKS INC., 3600 WEST LAKE AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 08/20/2007 (Street) GLENVIEW, IL 60026 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 08/20/2007   M   700 A $ 27.9375 2,175 D   Common Stock 08/20/2007   S   700 D $ 54.42 1,475 D   Common Stock 08/20/2007   M   800 A $ 27.9375 2,275 D   Common Stock 08/20/2007   S   800 D $ 54.425 1,475 D   Common Stock 08/20/2007   M   1,100 A $ 27.9375 2,575 D   Common Stock 08/20/2007   S   1,275 D $ 54.44 1,300 D   Common Stock 08/20/2007   M   800 A $ 27.9375 2,100 D   Common Stock 08/20/2007   S   800 D $ 54.45 1,300 D   Common Stock 08/20/2007   M   500 A $ 27.9375 1,800 D   Common Stock 08/20/2007   S   500 D $ 54.455 1,300 D   Common Stock 08/20/2007   M   1,500 A $ 27.9375 2,800 D   Common Stock 08/20/2007   S   1,500 D $ 54.52 1,300 D   Common Stock 08/20/2007   M   300 A $ 27.9375 1,600 D   Common Stock 08/20/2007   S   300 D $ 54.495 1,300 D   Common Stock 08/20/2007   M   500 A $ 27.9375 1,800 D   Common Stock 08/20/2007   S   500 D $ 54.485 1,300 D   Common Stock 08/20/2007   M   400 A $ 27.9375 1,700 D   Common Stock 08/20/2007   S   500 D $ 54.49 1,200 D   Common Stock 08/20/2007   M   400 A $ 27.9375 1,600 D   Common Stock 08/20/2007   S   600 D $ 54.48 1,000 D   Common Stock 08/20/2007   M   400 A $ 27.9375 1,400 D   Common Stock 08/20/2007   S   400 D $ 54.46 1,000 D   Common Stock 08/20/2007   M   300 A $ 27.9375 1,300 D   Common Stock 08/20/2007   S   300 D $ 54.47 1,000 D   Common Stock 08/20/2007   M   200 A $ 27.9375 1,200 D   Common Stock 08/20/2007   S   200 D $ 54.475 1,000 D   Common Stock 08/20/2007   M   100 A $ 27.9375 1,100 D   Common Stock 08/20/2007   S   100 D $ 54.37 1,000 D   Common Stock 08/20/2007   M   200 A $ 27.9375 1,200 D   Common Stock 08/20/2007   S   200 D $ 54.34 1,000 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option

$ 32.75

12/17/2000

12/17/2009

Common Stock

14,000

14,000

D

Employee Stock Option

$ 31.125

12/14/2002

12/14/2011

Common Stock

28,000

28,000

D

Employee Stock Option

$ 47.13

12/10/2005

12/10/2014

Common Stock

20,000

20,000

D

Employee Stock Option

$ 42.08

12/07/2006

02/01/2016

Common Stock

20,000

20,000

D

Employee Stock Option

$ 51.6

02/09/2008

02/09/2017

Common Stock

60,000

60,000

D

Employee Stock Option

$ 27.9375

08/20/2007

M

700

12/15/2001

12/15/2010

Common Stock

14,000

$ 54.42

13,300

D

Employee Stock Option

$ 27.9375

08/20/2007

M

800

12/15/2001

12/15/2010

Common Stock

13,300

$ 54.425

12,500

D

Employee Stock Option

$ 27.9375

08/20/2007

M

1,100

12/15/2001

12/15/2010

Common Stock

12,500

$ 54.44

11,400

D

Employee Stock Option

$ 27.9375

08/20/2007

M

800

12/15/2001

12/15/2010

Common Stock

11,400

$ 54.45

10,600

D

Employee Stock Option

$ 27.9375

08/20/2007

M

500

12/15/2001

12/15/2010

Common Stock

10,600

$ 54.455

10,100

D

Employee Stock Option

$ 27.9375

08/20/2007

M

1,500

12/15/2001

12/15/2010

Common Stock

10,100

$ 54.52

8,600

D

Employee Stock Option

$ 27.9375

08/20/2007

M

300

12/15/2001

12/15/2010

Common Stock

8,600

$ 54.495

8,300

D

Employee Stock Option

$ 27.9375

08/20/2007

M

500

12/15/2001

12/15/2010

Common Stock

8,300

$ 54.485

7,800

D

Employee Stock Option

$ 27.9375

08/20/2007

M

400

12/15/2001

12/15/2010

Common Stock

7,800

$ 54.49

7,400

D

Employee Stock Option

$ 27.9375

08/20/2007

M

400

12/15/2001

12/15/2010

Common Stock

7,400

$ 54.48

7,000

D

Employee Stock Option

$ 27.9375

08/20/2007

M

400

12/15/2001

12/15/2010

Common Stock

7,000

$ 54.46

6,600

D

Employee Stock Option

$ 27.9375

08/20/2007

M

300

12/15/2001

12/15/2010

Common Stock

6,600

$ 54.47

6,300

D

Employee Stock Option

$ 27.9375

08/20/2007

M

200

12/15/2001

12/15/2010

Common Stock

6,300

$ 54.475

6,100

D

Employee Stock Option

$ 27.9375

08/20/2007

M

100

12/15/2001

12/15/2010

Common Stock

6,100

$ 54.37

6,000

D

Employee Stock Option

$ 27.9375

08/20/2007

M

200

12/15/2001

12/15/2010

Common Stock

6,000

$ 54.34

5,800

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Parry David C ILLINOIS TOOL WORKS INC. 3600 WEST LAKE AVENUE GLENVIEW, IL 60026			Executive Vice President

Signatures

David C. Parry by James H. Wooten, Jr., Senior Vice President, General Counsel & Secretary, Attorney-In-Fact POA on File		08/21/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Remarks: The number of transactions requires the filing of two Form 4s.  This Form 4 is 1 of 2.

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