Inventor · disambiguated record
David R. Ellingen
Also filed as: ELLINGEN DAVID R
4 granted patents·95 citations·filing 1986–1991
78Inventor score
Technology areasG01R
Files withSNAP ON TOOLS CORP4
Top patents by PatentIndex Score
4 records- 0187US4942356AModular electronic deviceSNAP ON TOOLS CORP·Filed 1989·Granted Jul 17, 1990·59 cites·23 claims
- 0274USD313563SCombined automotive electrical testing module and holder/display thereforSNAP ON TOOLS CORP·Filed 1988·Granted Jan 8, 1991·16 cites·1 claims
- 0371USD335093SDigital oscilloscopeSNAP ON TOOLS CORP·Filed 1991·Granted Apr 27, 1993·16 cites·1 claims
- 0442USD292893STiming lightSNAP ON TOOLS CORP·Filed 1986·Granted Nov 24, 1987·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →