Inventor · disambiguated record
William C. Christian
Also filed as: CHRISTIAN WILLIAM · CHRISTIAN WILLIAM C
5 granted patents·1 pending application·99 citations·filing 1982–2004
82Inventor score
Top patents by PatentIndex Score
6 records- 0179US5400546APrecision twist drill sharpener/point splitting machineDAREX CORP·Filed 1993·Granted Mar 28, 1995·41 cites·6 claims
- 0279US4485596ATwist drill point splitting/web thinning apparatusDAREX CORP·Filed 1982·Granted Dec 4, 1984·20 cites·2 claims
- 0366US7172498B2Drill sharpenerPROFESSIONAL TOOL MFG LLC·Filed 2003·Granted Feb 6, 2007·14 cites·9 claims
- 0464US4916866AEnd mill sharpenerDAREX CORP·Filed 1989·Granted Apr 17, 1990·16 cites·11 claims
- 0545US4741226APower feedDAREX CORP·Filed 1986·Granted May 3, 1988·8 cites·9 claims
- 0645US2006070760A1Reciprocating attachment for power drillsPROFESSIONAL TOOL MFG LLC·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →