For the Inventor, By the Inventor

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Lyons, IL, United States of America

F. D. Farnum Co.

USPTO Granted Patents = 3

Forward Citations = 31

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4 inventors (with patents filed for the assignee):

James Cole (1 out of 11 patents)

Robert G Farnam (1 out of 9 patents)

Charles A Youngberg (1 out of 1 patent)

4. Michael T Passarella (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 4023544 - Precombustion conditioning device for internal combustion engines (1977-05-17),

2. 3963408 - Precombustion conditioning device for internal combustion engines (1976-06-15),

3. 3941640 - Method of producing a high temperature gasket structure (1976-03-02),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#6 in Lyons, IL

#3,360 in Illinois

#71,953 in US

Lyons, IL, United States of America

F. D. Farnum Co.

Forward Citations = 31

4 inventors:

James Cole (1 out of 11 patents)

Robert G Farnam (1 out of 9 patents)

Charles A Youngberg (1 out of 1 patent)

4. Michael T Passarella (1 out of 2 patents)

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