Inventor · disambiguated record
David A. Larson
Also filed as: LARSON DAVID A · LARSON DAVID ARTHUR
6 granted patents·121 citations·filing 1983–1999
83Inventor score
Top patents by PatentIndex Score
6 records- 0188US5078219AConcave drag bit cutter device and methodUS INTERIOR·Filed 1990·Granted Jan 7, 1992·71 cites·8 claims
- 0266US6050344ARotary garden toolFiled 1999·Granted Apr 18, 2000·26 cites·3 claims
- 0341US4501448AUniversal ripper minerUS INTERIOR·Filed 1983·Granted Feb 26, 1985·4 cites·9 claims
- 0438US5335977ADouble acting bit holderUS ARMY·Filed 1993·Granted Aug 9, 1994·11 cites·9 claims
- 0534US5123710AImpact assisted segmented cutterheadUS INTERIOR·Filed 1991·Granted Jun 23, 1992·4 cites·20 claims
- 0633US5013093AUniversal ripper minerUS INTERIOR·Filed 1989·Granted May 7, 1991·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →