Inventor · disambiguated record
Robert Drummond
Also filed as: DRUMMOND ROBERT · DRUMMOND ROBERT L
2 granted patents·86 citations·filing 1986–1986
67Inventor score
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2 records- 0181US4689978ASide bar wafer lock, an improved spring retainer for said lock, and a method of using said spring retainer in said lockDRUMMOND ROBERT L·Filed 1986·Granted Sep 1, 1987·58 cites·17 claims
- 0265US4730924ALens meter and method of measurement of progressive multifocal lens using the sameTOKYO OPTICAL·Filed 1986·Granted Mar 15, 1988·28 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →