Inventor · disambiguated record
David Edward Maddison
Also filed as: MADDISON DAVID E · MADDISON DAVID EDWARD
5 granted patents·105 citations·filing 1985–2010
83Inventor score
Technology areasA61F
Top patents by PatentIndex Score
5 records- 0189USD296478SFlashlightDURACELL INC·Filed 1985·Granted Jun 28, 1988·31 cites·1 claims
- 0284USD296477SFlashlightDURACELL INC·Filed 1985·Granted Jun 28, 1988·23 cites·1 claims
- 0379US8328733B2Urine collection deviceFORTE VINCENT JOHN CHARLES·Filed 2010·Granted Dec 11, 2012·20 cites·26 claims
- 0474US7819821B2Urine collection deviceFUNNELLY ENOUGH LTD·Filed 2007·Granted Oct 26, 2010·18 cites·33 claims
- 0570USD299173SFlashlightDURACELL INC·Filed 1985·Granted Dec 27, 1988·13 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →