Inventor · disambiguated record
David R. Hart
Also filed as: HART DAVID R
3 granted patents·38 citations·filing 1974–1976
71Inventor score
Top patents by PatentIndex Score
3 records- 0172US3936451AProcess for producing salts of hexamethylenetetramineUNITED STATES PIPE FOUNDRY·Filed 1974·Granted Feb 3, 1976·10 cites·4 claims
- 0271US4069220AProcess for the production of phenolic complexes of hexamethylenetetramineWALTER JIM RESOURCES INC·Filed 1976·Granted Jan 17, 1978·9 cites·6 claims
- 0365US4014827ASubstrate reinforced rubber structure and compound for forming sameUNITED STATES PIPE FOUNDRY·Filed 1975·Granted Mar 29, 1977·19 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →