R. Kent Crawford

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Christiana, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical contactor with positive temperature coefficient resistiv...
- Patent number 6,958,671
- Issue date Oct 25, 2005
- Square D Company
- William Weizhong Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electrical contactor with positive temperature coefficient resistiv...
- Publication number 20030090351
- Publication date May 15, 2003
- William Weizhong Chen
- H01 - BASIC ELECTRIC ELEMENTS