Inventor · disambiguated record
Robert A. Pennison
Also filed as: PENNISON ROBERT A
9 granted patents·318 citations·filing 1983–1995
91Inventor score
Top patents by PatentIndex Score
9 records- 0194US5573074AGear shifting power toolGPX CORP·Filed 1995·Granted Nov 12, 1996·86 cites·42 claims
- 0288US4592681ARetraction apparatus for automatic feed drills or the likeDRESSER IND·Filed 1983·Granted Jun 3, 1986·41 cites·11 claims
- 0387US4799833AClutch for positive feed drillDRESSER IND·Filed 1987·Granted Jan 24, 1989·51 cites·19 claims
- 0484US4681490ARetraction apparatus for automatic feed drills or the likeDRESSER IND·Filed 1986·Granted Jul 21, 1987·33 cites·10 claims
- 0579US4702650APositive feed drill use counterDRESSER IND·Filed 1985·Granted Oct 27, 1987·29 cites·5 claims
- 0676US5295770AAir feed peck drill with pneumatic safety systemINDRESCO INC·Filed 1993·Granted Mar 22, 1994·23 cites·42 claims
- 0773US4683682ASafety lever for portable power toolDRESSER IND·Filed 1986·Granted Aug 4, 1987·22 cites·10 claims
- 0864US5588903AErgonomic power toolINDRESCO INC·Filed 1994·Granted Dec 31, 1996·24 cites·8 claims
- 0944US5347764AHandle arrangement for air power toolINDRESCO INC·Filed 1993·Granted Sep 20, 1994·9 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →