Inventor · disambiguated record
Harold A. Downing
Also filed as: DOWNING HAROLD A
6 granted patents·238 citations·filing 1976–1978
86Inventor score
Files withCOLLINS IND INC6
Top patents by PatentIndex Score
6 records- 0191US4084713AVehicle wheelchair rampCOLLINS IND INC·Filed 1976·Granted Apr 18, 1978·92 cites·4 claims
- 0285US4214849ARetractable rail for a vehicle liftCOLLINS IND INC·Filed 1978·Granted Jul 29, 1980·47 cites·7 claims
- 0366US4124130ASafety barrier for a wheelchair liftCOLLINS IND INC·Filed 1977·Granted Nov 7, 1978·36 cites·3 claims
- 0465US4062209AWheelchair lockCOLLINS IND INC·Filed 1976·Granted Dec 13, 1977·34 cites·12 claims
- 0560US4138023AVehicle wheelchair liftCOLLINS IND INC·Filed 1976·Granted Feb 6, 1979·17 cites·6 claims
- 0649US4113121APin release device for a wheelchair liftCOLLINS IND INC·Filed 1977·Granted Sep 12, 1978·12 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →