Inventor · disambiguated record
Robert L. Johnstone
Also filed as: JOHNSTONE III ROBERT L · JOHNSTONE ROBERT L
3 granted patents·1 pending application·391 citations·filing 1974–2002
76Inventor score
Top patents by PatentIndex Score
4 records- 0196US5898680ASystem for providing location-specific data to a userWORLDSPACE INC·Filed 1996·Granted Apr 27, 1999·363 cites·20 claims
- 0270US3947764AMethod and apparatus for testing DC motorsFORD MOTOR CO·Filed 1974·Granted Mar 30, 1976·18 cites·10 claims
- 0346USD475338SMotor boatFiled 2002·Granted Jun 3, 2003·10 cites·1 claims
- 0427US2002003495A1System for providing location-specific data to a userFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →