Stephen L. Williams

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Florissant, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Versatile dynamic stamping/restriking tool
- Patent number 9,981,302
- Issue date May 29, 2018
- Apple Inc.
- Yi Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
VERSATILE DYNAMIC STAMPING/RESTRIKING TOOL
- Publication number 20160089712
- Publication date Mar 31, 2016
- Apple Inc.
- Yi Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...