For the Inventor, By the Inventor

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Chicago, IL, United States of America

Van Straaten Chemical Company

USPTO Granted Patents = 2

Forward Citations = 15

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4 inventors (with patents filed for the assignee):

John L O'Brien (2 out of 6 patents)

Stephen C Cohen (2 out of 2 patents)

George E Barker (2 out of 2 patents)

4. Jack Milgrom (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 3992303 - Metal cold forming process and lubricant composition therefor (1976-11-16),

2. 3978702 - Metal cold forming process and lubricant composition therefor (1976-09-07),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#1,002 in Chicago, IL

#4,308 in Illinois

#92,630 in US

Chicago, IL, United States of America

Van Straaten Chemical Company

Forward Citations = 15

4 inventors:

John L O'Brien (2 out of 6 patents)

Stephen C Cohen (2 out of 2 patents)

George E Barker (2 out of 2 patents)

4. Jack Milgrom (2 out of 2 patents)

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