Assignee
BEALL JR RICHARD W
US·4 granted patents·191 citations·filing 1981–1988
Top patents by PatentIndex Score
4 records- 0180US4391712AReverse-osmosis water purifier apparatus and methodBEALL JR RICHARD W·Filed 1981·Granted Jul 5, 1983·55 cites·7 claims
- 0278US4885085ADirect acting reverse osmosis water purifier valvesBEALL JR RICHARD W·Filed 1988·Granted Dec 5, 1989·49 cites·11 claims
- 0378US4808302AWater purifier valveBEALL JR RICHARD W·Filed 1987·Granted Feb 28, 1989·48 cites·7 claims
- 0474US4859320ALeak-proof water processing unitBEALL JR RICHARD W·Filed 1987·Granted Aug 22, 1989·39 cites·16 claims
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