Inventor · disambiguated record
Ronald H. Espy
Also filed as: ESPY RONALD H · ESPY RONALD HARRY
5 granted patents·112 citations·filing 1974–1980
82Inventor score
Technology areasC22C
Top patents by PatentIndex Score
5 records- 0187US4331474AFerritic stainless steel having toughness and weldabilityARMCO INC·Filed 1980·Granted May 25, 1982·39 cites·8 claims
- 0281US4261739AFerritic steel alloy with improved high temperature propertiesARMCO INC·Filed 1979·Granted Apr 14, 1981·27 cites·13 claims
- 0380US4295769ACopper and nitrogen containing austenitic stainless steel and fastenerARMCO INC·Filed 1980·Granted Oct 20, 1981·26 cites·8 claims
- 0466US3940266AAustenitic stainless steelARMCO STEEL CORP·Filed 1974·Granted Feb 24, 1976·13 cites·5 claims
- 0543US4022586AAustenitic chromium-nickel-copper stainless steel and articlesARMCO STEEL CORP·Filed 1975·Granted May 10, 1977·7 cites·9 claims
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