Inventor · disambiguated record
William R. Barber, Jr.
Also filed as: BARBER JR WILLIAM R
5 granted patents·319 citations·filing 1976–1987
83Inventor score
Top patents by PatentIndex Score
5 records- 0196US4335532AExcavating toothESCO CORP·Filed 1981·Granted Jun 22, 1982·138 cites·35 claims
- 0293US4404760AExcavating toothESCO CORP·Filed 1982·Granted Sep 20, 1983·143 cites·18 claims
- 0373US4933240AWear-resistant carbide surfacesBARBER JR WILLIAM R·Filed 1987·Granted Jun 12, 1990·34 cites·19 claims
- 0429US4030253AMethod of casting beneficiationESCO CORP·Filed 1976·Granted Jun 21, 1977·2 cites·7 claims
- 0526US4454205AMethod of drill bit manufacture and productESCO CORP·Filed 1981·Granted Jun 12, 1984·2 cites·12 claims
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