Inventor · disambiguated record

Thomas J. Heard

Also filed as: HEARD THOMAS J

2 granted patents·88 citations·filing 1980–1982

67Inventor score

Technology areasE21B Y10T

Files withOTIS ENG CO2

Top patents by PatentIndex Score

2 records

0187US4441558AValveOTIS ENG CO·Filed 1982·Granted Apr 10, 1984·51 cites·14 claims
0268US4355686AWell system and methodOTIS ENG CO·Filed 1980·Granted Oct 26, 1982·37 cites·8 claims

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Thomas J. Heard — Patent Inventor | PatentIndex