Inventor · disambiguated record
Keith S. Clark
Also filed as: CLARK KEITH · CLARK KEITH S
5 granted patents·1 pending application·532 citations·filing 1983–2006
86Inventor score
Top patents by PatentIndex Score
6 records- 0194US5083122AProgrammable individualized security system for door locksOSI SECURITY DEVICES·Filed 1989·Granted Jan 21, 1992·256 cites·21 claims
- 0285US4609780AElectronic secure entry system, apparatus and methodAZCORP TECHNOLOGY·Filed 1984·Granted Sep 2, 1986·140 cites·48 claims
- 0366US4864115AElectronic access card having key pads and coils and combination using the sameDATATRAK INC·Filed 1986·Granted Sep 5, 1989·72 cites·9 claims
- 0458US4808993AElectronic secure entry system, apparatus and methodDATATRAK INC·Filed 1987·Granted Feb 28, 1989·53 cites·17 claims
- 0554US2008115416A1Garage doorCLARK KEITH·Filed 2006·Application pending·0 cites
- 0643US4531840ASolvent proportioning and mixing apparatus and systemELDEX LAB·Filed 1983·Granted Jul 30, 1985·11 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →