William A. Fields

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Livermore, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum buffer assembly
- Patent number 9,102,036
- Issue date Aug 11, 2015
- Surtec, Inc.
- William A. Fields
- B24 - GRINDING POLISHING
Information Patent Grant
Vacuum buffer assembly
- Patent number 8,764,520
- Issue date Jul 1, 2014
- Surtec, Inc.
- William A. Fields
- B24 - GRINDING POLISHING
Information Patent Grant
Vacuum sweeping system for automatic scrubber
- Patent number 6,990,709
- Issue date Jan 31, 2006
- Surtec, Inc.
- William A. Fields
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum buffer
- Patent number 5,388,305
- Issue date Feb 14, 1995
- Surtec, Inc.
- William A. Fields
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
VACUUM BUFFER ASSEMBLY
- Publication number 20150004887
- Publication date Jan 1, 2015
- Surtec, Inc.
- William A. Fields
- B24 - GRINDING POLISHING
Information Patent Application
Vacuum sweeping system for automatic scrubber
- Publication number 20040068825
- Publication date Apr 15, 2004
- Surtec, Inc.
- William A. Fields
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...