William R. Frederick

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Valley View, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Cryogen shot blast deflashing system
- Patent number 6,283,839
- Issue date Sep 4, 2001
- AGA Gas, Inc.
- William R. Frederick
- B24 - GRINDING POLISHING
Information Patent Grant
Shot blaster with impeller/blower
- Patent number 5,879,223
- Issue date Mar 9, 1999
- AGA AB
- William R. Frederick
- B24 - GRINDING POLISHING
Information Patent Grant
Rotating drum cryogen shot blast deflashing system
- Patent number 5,676,588
- Issue date Oct 14, 1997
- AGA AB
- William R. Frederick
- B24 - GRINDING POLISHING