Donald R. Buttle

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Geneva, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Calibration method and apparatus for coffee grinder and brewer
- Patent number 5,662,955
- Issue date Sep 2, 1997
- National Controls Corporation
- William A. Joseph
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Control apparatus and method for coffee grinder and brewer
- Patent number 5,660,336
- Issue date Aug 26, 1997
- National Controls Corporation
- William A. Joseph
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Control apparatus and method for coffee grinder and brewer
- Patent number 5,417,145
- Issue date May 23, 1995
- National Controls Corporation
- William A. Joseph
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Continuous acting moisture prevention and cleaning valve
- Patent number 5,285,705
- Issue date Feb 15, 1994
- Grindmaster Corporation
- Donald R. Buttle
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...