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Inventor
BARRY ROBERT M
US
3 patents
Patents
3 patents
US5151181A
Sep 29, 1992
Filter system for wet vacuum cleaning apparatus
CFR CORP
13 citations
68
US5114574A
May 19, 1992
Backflush filter system with insert member diffusing filtering and backflush flow
CFR CORP
18 citations
68
US5077823A
Dec 31, 1991
Electric motor starting circuit
CFR CORP
12 citations
67