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For the Inventor, By the Inventor

Tulsa, OK, United States of America

Mathey Dearman, Inc.


USPTO Granted Patents = 2

% Expired Patents = 100.0

Forward Citations = 21

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2 inventors (with patents filed for the assignee):

goldMedal Peter Theriot (1 out of 5 patents)

silverMedal Donald S Lockhart (1 out of 2 patents)


2 patents:

1. 6696012 - Ring gear mounted rack adjustable torch arm carriage assembly with out-of-round capability (2004-02-24),
2. 6627004 - Carriage for cutting, beveling and welding torches (2003-09-30),
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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#192 in Tulsa, OK

#571 in Oklahoma

#94,680 in US

Tulsa, OK (US)
Tulsa, OK, United States of America

Mathey Dearman, Inc.

Forward Citations = 21

2 inventors:

goldMedal Peter Theriot (1 out of 5 patents)

silverMedal Donald S Lockhart (1 out of 2 patents)

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