Inventor · disambiguated record
Earle W. Stephenson
Also filed as: HUTZELL CLYDE G · STEPHENSON EARLE W
7 granted patents·311 citations·filing 1974–1987
89Inventor score
Files withKENNAMETAL INC7
Top patents by PatentIndex Score
7 records- 0190US3934654AEarthworking blade deviceKENNAMETAL INC·Filed 1974·Granted Jan 27, 1976·72 cites·13 claims
- 0288US4770253AGrader blade with tiered inserts on leading edgeKENNAMETAL INC·Filed 1987·Granted Sep 13, 1988·51 cites·10 claims
- 0388US4216832AFurrowing toolKENNAMETAL INC·Filed 1978·Granted Aug 12, 1980·52 cites·5 claims
- 0484US4608318ACasting having wear resistant compacts and method of manufactureKENNAMETAL INC·Filed 1984·Granted Aug 26, 1986·53 cites·18 claims
- 0580US4715450AGrader blade with casting/insert assembly on leading edgeKENNAMETAL INC·Filed 1987·Granted Dec 29, 1987·47 cites·12 claims
- 0680US4326592ATool for earthworking machineKENNAMETAL INC·Filed 1979·Granted Apr 27, 1982·26 cites·17 claims
- 0747US4360068AFurrowing toolKENNAMETAL INC·Filed 1980·Granted Nov 23, 1982·10 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →