Inventor · disambiguated record
Richard H. Hollrock
Also filed as: HOLLROCK RICHARD H
6 granted patents·151 citations·filing 1975–1993
85Inventor score
Top patents by PatentIndex Score
6 records- 0183US4750691ARetractable aircraft hoistKAMAN AEROSPACE CORP·Filed 1987·Granted Jun 14, 1988·49 cites·9 claims
- 0274US3995759AGolf ball retrieverHOLLROCK RICHARD H·Filed 1975·Granted Dec 7, 1976·35 cites·16 claims
- 0369US4251187ABlade retention bearing for helicopter rotorKAMAN AEROSPACE CORP·Filed 1978·Granted Feb 17, 1981·32 cites·7 claims
- 0444US5228168AGolf ball handling systemHOLLROCK ENGINEERING INC·Filed 1992·Granted Jul 20, 1993·15 cites·10 claims
- 0541US5332350AGolf ball handling systemHOLLROCK ENGINEERING INC·Filed 1992·Granted Jul 26, 1994·15 cites·8 claims
- 0638US5350260AGolf ball handling systemHOLLROCK ENGINEERING INC·Filed 1993·Granted Sep 27, 1994·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →