Inventor · disambiguated record
Roy Cooper
Also filed as: COOPER ROY · COOPER ROY F
4 granted patents·1 pending application·51 citations·filing 1977–2003
77Inventor score
Top patents by PatentIndex Score
5 records- 0150US4884333AMethod of making a stepper motorTRI TECH·Filed 1989·Granted Dec 5, 1989·17 cites·4 claims
- 0248US4841189AStepper motor and method of making the sameTRI TECH·Filed 1987·Granted Jun 20, 1989·16 cites·9 claims
- 0343US4118135APre-stressed rod jointSARGENT INDUSTRIES·Filed 1977·Granted Oct 3, 1978·12 cites·16 claims
- 0442US4747188AWeb-layingCOSMOPOLITAN TEXTILE CO LTD·Filed 1987·Granted May 31, 1988·6 cites·9 claims
- 0533US2006093859A1Hard metal, in particular for cutting stone, concrete, and asphaltKONYASHIN IGOR·Filed 2003·Application pending·0 cites
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