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For the Inventor, By the Inventor

Granville, OH, United States of America

J. A. Masterson & Co.


USPTO Granted Patents = 3

Forward Citations = 36

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2 inventors (with patents filed for the assignee):

goldMedal Robert D Meldahl (3 out of 5 patents)

silverMedal Robert J Borel (3 out of 5 patents)


3 patents:

1. 4328884 - Clutch employing articulated clutch shoes and flyweights (1982-05-11),
2. 4320822 - Clutch-brake system for rotary mower (1982-03-23),
3. 4226313 - Clutch-brake system for rotary mower (1980-10-07),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#2 in Granville, OH

#2,787 in Ohio

#71,953 in US

...
Granville, OH, United States of America

J. A. Masterson & Co.

Forward Citations = 36

2 inventors:

goldMedal Robert D Meldahl (3 out of 5 patents)

silverMedal Robert J Borel (3 out of 5 patents)

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