For the Inventor, By the Inventor

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Holyoke, MA, United States of America

Worthington Compressors, Inc.

USPTO Granted Patents = 3

Forward Citations = 25

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6 inventors (with patents filed for the assignee):

Thomas E Mayer (2 out of 3 patents)

George N LaCasse (1 out of 1 patent)

Ronald W Beyer (1 out of 1 patent)

4. A Hunt Davis (1 out of 1 patent)

5. George Yokota (1 out of 1 patent)

6. Richard A McCarthy (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4184508 - Plate valve (1980-01-22),

2. 4168722 - Feather valve (1979-09-25),

3. 4046209 - Oscillation lockout system for track mounted rock drill (1977-09-06),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#5 in Holyoke, MA

#3,878 in Massachusetts

#72,011 in US

Holyoke, MA, United States of America

Worthington Compressors, Inc.

Forward Citations = 25

6 inventors:

Thomas E Mayer (2 out of 3 patents)

George N LaCasse (1 out of 1 patent)

Ronald W Beyer (1 out of 1 patent)

4. A Hunt Davis (1 out of 1 patent)

5. George Yokota (1 out of 1 patent)

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