Stephen R. Williams

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Cary, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for cleaning and maintaining carpet
- Patent number 4,595,420
- Issue date Jun 17, 1986
- Robert C. Williams
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Cleaning solution dispenser attachment for rotary floor cleaning ma...
- Patent number 4,524,477
- Issue date Jun 25, 1985
- U.S. Floor Systems, Inc.
- Robert C. Williams
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...