Robert M. Barry

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Filter system for wet vacuum cleaning apparatus
- Patent number 5,151,181
- Issue date Sep 29, 1992
- CFR Corporation
- Robert M. Barry
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Backflush filter system with insert member diffusing filtering and...
- Patent number 5,114,574
- Issue date May 19, 1992
- CFR Corporation
- Robert M. Barry
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...