Assignee
SIMPSON SR DAVID W
4 granted patents·18 citations·filing 1998–2008
Technology mixB63B1
Top patents by PatentIndex Score
4 records- 0161US7789034B1Airboat suspension systemSIMPSON SR DAVID W·Filed 2008·Granted Sep 7, 2010·3 cites·18 claims
- 0249USD408696SHand graderSIMPSON SR DAVID W·Filed 1998·Granted Apr 27, 1999·7 cites·1 claims
- 0346USD423627SRear bow sight and mountSIMPSON SR DAVID W·Filed 1999·Granted Apr 25, 2000·6 cites·1 claims
- 0434USD412548SRear bow sightSIMPSON SR DAVID W·Filed 1999·Granted Aug 3, 1999·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →