Inventor · disambiguated record
Donald A. Roy
Also filed as: O'KEEFE GEORGE F · ROY DONALD A
5 granted patents·49 citations·filing 1977–2001
79Inventor score
Top patents by PatentIndex Score
5 records- 0164US6824065B2Identification and accountability system and methodBIOSYSTEMS LLC·Filed 2001·Granted Nov 30, 2004·28 cites·16 claims
- 0241US4170051AHydraulic and mechanical punch holder adjustmentTEXTRON INC·Filed 1977·Granted Oct 9, 1979·8 cites·16 claims
- 0334US4274316ACrank press blank holder and stripper mechanismTEXTRON INC·Filed 1980·Granted Jun 23, 1981·6 cites·8 claims
- 0434US4145784ATimed ejector for a headerTEXTRON INC·Filed 1977·Granted Mar 27, 1979·4 cites·10 claims
- 0516US4452095AOverload protection for metal forming machineWATERBURY FARREL DIV OF TEXTRO·Filed 1982·Granted Jun 5, 1984·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →