Calvin Barker

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Plymouth, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fire hose brush
- Patent number 7,798,735
- Issue date Sep 21, 2010
- Calvin Barker
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Boot drying apparatus
- Patent number 5,222,308
- Issue date Jun 29, 1993
- Calvin Barker
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Fire hose brush
- Publication number 20070292192
- Publication date Dec 20, 2007
- Calvin Barker
- A62 - LIFE-SAVING FIRE-FIGHTING