Inventor · disambiguated record
Herbert R. Umstead
Also filed as: UMSTEAD HERBERT · UMSTEAD HERBERT R
3 granted patents·101 citations·filing 1974–1991
75Inventor score
Top patents by PatentIndex Score
3 records- 0173US4179049APump dispenserAVON PROD INC·Filed 1978·Granted Dec 18, 1979·42 cites·3 claims
- 0270US3940023AChild-proof safety locking deviceAVON PROD INC·Filed 1974·Granted Feb 24, 1976·39 cites·14 claims
- 0350US5297566AMethod and device for increasing the volume of a head of hairOREAL·Filed 1991·Granted Mar 29, 1994·20 cites·8 claims
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