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For the Inventor, By the Inventor

Amherst, MA, United States of America

R P & M Engines


USPTO Granted Patents = 3

Forward Citations = 53

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2 inventors (with patents filed for the assignee):

goldMedal Michael E Jayne (2 out of 9 patents)

silverMedal Robert B Gray (2 out of 3 patents)


3 patents:

1. 4791898 - V-engine with yoke (1988-12-20),
2. 4776310 - Yoke with slotted guides and slides (1988-10-11),
3. 4598672 - Apparatus for stabilizing the position of a yoke in an internal (1986-07-08),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#12 in Amherst, MA

#3,876 in Massachusetts

#72,025 in US

...
Amherst, MA, United States of America

R P & M Engines

Forward Citations = 53

2 inventors:

goldMedal Michael E Jayne (2 out of 9 patents)

silverMedal Robert B Gray (2 out of 3 patents)

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