Inventor · disambiguated record
James M. Stephenson
Also filed as: STEPHENSON JAMES M
4 granted patents·81 citations·filing 1975–1977
78Inventor score
Top patents by PatentIndex Score
4 records- 0172US3989150APipe carrying attachment for construction equipmentSTEPHENSON JAMES M·Filed 1975·Granted Nov 2, 1976·26 cites·9 claims
- 0267US3986960AFluid filterWIRE PHILIP J·Filed 1975·Granted Oct 19, 1976·29 cites·5 claims
- 0361US3958704APipe laying attachmentWIRE PHILIP J·Filed 1975·Granted May 25, 1976·17 cites·15 claims
- 0441US4161503AMethod of making multitubular sheathsCHLORIDE GROUP LTD·Filed 1977·Granted Jul 17, 1979·9 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →