Individual holder
RICHARD JOSEPH D
US·5 granted patents·106 citations·filing 1977–1987
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0177US4538249AUltrasonic doppler fish detectorRICHARD JOSEPH D·Filed 1982·Granted Aug 27, 1985·33 cites·5 claims
- 0276US4085613AThermal energy flowmeterRICHARD JOSEPH D·Filed 1977·Granted Apr 25, 1978·26 cites·10 claims
- 0374US4287763AApparatus for concentrating and sampling substances from seawaterRICHARD JOSEPH D·Filed 1979·Granted Sep 8, 1981·26 cites·9 claims
- 0456US4715142ASelf-destruct fish hookRICHARD JOSEPH D·Filed 1987·Granted Dec 29, 1987·17 cites·11 claims
- 0535US4188608AFish detection apparatusRICHARD JOSEPH D·Filed 1978·Granted Feb 12, 1980·4 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →