Inventor · disambiguated record
Donald F. Hardy
Also filed as: HARDY DONALD F · HELLER ARTHUR D
4 granted patents·30 citations·filing 1974–1978
73Inventor score
Files withDART IND INC4
Top patents by PatentIndex Score
4 records- 0160US4022155AGlassware coating apparatusDART IND INC·Filed 1974·Granted May 10, 1977·19 cites·2 claims
- 0233US4205410AWare finish wiperDART IND INC·Filed 1978·Granted Jun 3, 1980·5 cites·12 claims
- 0332US3965852ACoating apparatusDART IND INC·Filed 1975·Granted Jun 29, 1976·4 cites·8 claims
- 0427US3973666AWare orientation or transfer apparatusDART IND INC·Filed 1975·Granted Aug 10, 1976·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →