Inventor · disambiguated record
Frank S. Fountain
Also filed as: FOUNTAIN FRANK S
6 granted patents·359 citations·filing 1980–1994
85Inventor score
Files withDU PONT5
Top patents by PatentIndex Score
6 records- 0190US5456648AReward granting exercise machineFiled 1994·Granted Oct 10, 1995·247 cites·21 claims
- 0287US4977853ANon-contact wet or dry film thickness measuring deviceDU PONT·Filed 1989·Granted Dec 18, 1990·73 cites·11 claims
- 0362US4295360ATension measuring apparatusDU PONT·Filed 1980·Granted Oct 20, 1981·20 cites·2 claims
- 0459US4686563AApparatus and method for locating dropoutsDU PONT·Filed 1985·Granted Aug 11, 1987·12 cites·10 claims
- 0533US4896227AMethod of locating and inspecting dropouts on a magnetic discDU PONT·Filed 1989·Granted Jan 23, 1990·5 cites·13 claims
- 0630US4812923ATape inspection apparatusDU PONT·Filed 1987·Granted Mar 14, 1989·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →