Inventor · disambiguated record
William G. Blackburn
Also filed as: BLACKBURN WILLIAM G
3 granted patents·381 citations·filing 1992–1992
80Inventor score
Technology areasF23Q
Files withELECTRA LITE INC3
Top patents by PatentIndex Score
3 records- 0193US5285050ABattery-operated portable cigarette lighter with closure actuated switchELECTRA LITE INC·Filed 1992·Granted Feb 8, 1994·131 cites·3 claims
- 0293US5274214ABattery powered portable cigarette lighter having a press-fitted ceramic heat concentrating and protective resistance heating filament supportELECTRA LITE INC·Filed 1992·Granted Dec 28, 1993·113 cites·2 claims
- 0393US5235157ABattery powered cigarette lighter having recessed heating element and normally open pivotally actuated switchELECTRA LITE INC·Filed 1992·Granted Aug 10, 1993·137 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →