Inventor · disambiguated record
Peter E. Letchworth
Also filed as: LETCHWORTH PETER E
9 granted patents·76 citations·filing 1974–1981
87Inventor score
Files withSTAUFFER CHEMICAL CO9
Top patents by PatentIndex Score
9 records- 0196US3966809AInsect repellent compoundsSTAUFFER CHEMICAL CO·Filed 1974·Granted Jun 29, 1976·40 cites·6 claims
- 0278US4054576AInsect repellant compoundsSTAUFFER CHEMICAL CO·Filed 1975·Granted Oct 18, 1977·8 cites·1 claims
- 0376US3966806AInsect repellent compoundsSTAUFFER CHEMICAL CO·Filed 1974·Granted Jun 29, 1976·8 cites·7 claims
- 0469US3960922AN-cyanomethyl-N-methyl-3,5-dimethylbenzamideSTAUFFER CHEMICAL CO·Filed 1974·Granted Jun 1, 1976·6 cites·1 claims
- 0562US3953477AN-tetrahydrofurfuryl-3,5-dimethylbenzamideSTAUFFER CHEMICAL CO·Filed 1974·Granted Apr 27, 1976·4 cites·1 claims
- 0659US3984541ABenzotriazoles as stabilizers for certain insecticidal epoxy compoundsSTAUFFER CHEMICAL CO·Filed 1975·Granted Oct 5, 1976·4 cites·9 claims
- 0756US4028411AInsect repellent dimethylbenzamidesSTAUFFER CHEMICAL CO·Filed 1974·Granted Jun 7, 1977·3 cites·2 claims
- 0844US4419350ACarbofuran compositions for problem soilsSTAUFFER CHEMICAL CO·Filed 1981·Granted Dec 6, 1983·3 cites·10 claims
- 0931US4001405APhosphonate synergistsSTAUFFER CHEMICAL CO·Filed 1975·Granted Jan 4, 1977·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →