Robert T. Duerigen

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Indianapolis, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Coated roller chain pin
- Patent number 5,865,021
- Issue date Feb 2, 1999
- AMSTED Industries Incorporated
- Robert T. Duerigen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...