Inventor · disambiguated record
John H. Underwood
Also filed as: UNDERWOOD JOHN H
2 granted patents·1 citations·filing 1971–1972
32Inventor score
Files withPHILLIPS PETROLEUM CO2
Top patents by PatentIndex Score
2 records- 0127US3943164APoly(ether esters) of phthalic acid salts and di(halomethyl) etherPHILLIPS PETROLEUM CO·Filed 1972·Granted Mar 9, 1976·1 cites·5 claims
- 0225US3933707ADyeable polymers of alpha-olefins containing a nickel salt and a terephthalic esterPHILLIPS PETROLEUM CO·Filed 1971·Granted Jan 20, 1976·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →