Inventor · disambiguated record
Donald E. Richard
Also filed as: RICHARD DONALD E
3 granted patents·68 citations·filing 1986–1992
69Inventor score
Top patents by PatentIndex Score
3 records- 0167US4787920AScrubber filterRICHARD DONALD E·Filed 1987·Granted Nov 29, 1988·35 cites·20 claims
- 0262US5300131ACompact scrubberRICHARD DONALD E·Filed 1992·Granted Apr 5, 1994·33 cites·5 claims
- 0317US4736816ANoise-suppressing air intake for ventilation fansPEABODY COAL CO·Filed 1986·Granted Apr 12, 1988·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →