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For the Inventor, By the Inventor

Monrovia, CA, United States of America

J. B. Engineering Co., Inc.


USPTO Granted Patents = 2

Forward Citations = 8

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1 inventor (with patents filed for the assignee):

goldMedal James E Headley (2 out of 3 patents)


2 patents:

1. 5346298 - Cartridge retaining means (1994-09-13),
2. 5193891 - Cartridge retaining means (1993-03-16),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#48 in Monrovia, CA

#20,558 in California

#92,662 in US

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Monrovia, CA, United States of America

J. B. Engineering Co., Inc.

Forward Citations = 8

1 inventor:

goldMedal James E Headley (2 out of 3 patents)

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