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For the Inventor, By the Inventor

CA, CO, United States of America

Oil Country Manufacturing, Inc.


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 13

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2 inventors (with patents filed for the assignee):

goldMedal Robert John Nelson (1 out of 72 patents)

silverMedal Arthur G Ahlstone (1 out of 29 patents)


2 patents:

1. 5823074 - Open head foster-style back-up tong (1998-10-20),
2. 5163212 - Safety tool for handling of unitized jaw assembly in power sucker rod (1992-11-17),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#8 in CA, CO

#2,281 in Colorado

#92,630 in US

...
CA, CO, United States of America

Oil Country Manufacturing, Inc.

Forward Citations = 13

2 inventors:

goldMedal Robert John Nelson (1 out of 72 patents)

silverMedal Arthur G Ahlstone (1 out of 29 patents)

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