Inventor · disambiguated record

Frederick H. Drury

Also filed as: DRURY FREDERICK H

2 granted patents·20 citations·filing 1977–1977

59Inventor score

Technology areasA61C B01F

Files withWEATHERFORD OIL TOOL1 WEATHERFORD OIL TOOL COMPANY L1

Top patents by PatentIndex Score

2 records

0142US4199866ADental amalgamation apparatusWEATHERFORD OIL TOOL·Filed 1977·Granted Apr 29, 1980·13 cites·11 claims
0226US4074900ADental amalgam capsule holderWEATHERFORD OIL TOOL COMPANY L·Filed 1977·Granted Feb 21, 1978·7 cites·11 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →