David W. Worthey

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Monroe, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Silicon-nitride-containing separating layer having high hardness
- Patent number 9,625,213
- Issue date Apr 18, 2017
- 3M Innovative Properties Company
- Krishna Uibel
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
SILICON-NITRIDE-CONTAINING INTERLAYER OF GREAT HARDNESS
- Publication number 20140272748
- Publication date Sep 18, 2014
- ESK CERAMICS GMBH & CO. KG
- Krishna Uibel
- C30 - CRYSTAL GROWTH