James F. Kuhn

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Erie, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
MUD MOTOR TRANSMISSION
- Publication number 20170045090
- Publication date Feb 16, 2017
- LORD CORPORATION
- James F. KUHN
- E21 - EARTH DRILLING MINING
Information Patent Application
COUPLING AND MUD MOTOR TRANSMISSION
- Publication number 20150167399
- Publication date Jun 18, 2015
- LORD CORPORATION
- James F. Kuhn
- E21 - EARTH DRILLING MINING