Inventor · disambiguated record
David Frank Fredrickson
Also filed as: FREDRICKSON DAVID F · FREDRICKSON DAVID FRANK
9 granted patents·2 pending applications·650 citations·filing 1997–2002
90Inventor score
Files withFREDRICKSON DAVID FRANK3
Top patents by PatentIndex Score
11 records- 0196USD412270SArticle lifterFREDRICKSON DAVID FRANK·Filed 1998·Granted Jul 27, 1999·477 cites·1 claims
- 0291US5799996AMulti-function hand toolFiled 1997·Granted Sep 1, 1998·108 cites·17 claims
- 0371USD404985SArticle lifterFREDRICKSON DAVID FRANK·Filed 1997·Granted Feb 2, 1999·17 cites·1 claims
- 0466US6478352B1Article moverFiled 1999·Granted Nov 12, 2002·20 cites·9 claims
- 0558USD478257SArticle moverFiled 2001·Granted Aug 12, 2003·9 cites·1 claims
- 0651USD448980SArticle moverFiled 2000·Granted Oct 9, 2001·7 cites·1 claims
- 0750USD437752SArticle lifterFREDRICKSON DAVID FRANK·Filed 1999·Granted Feb 20, 2001·7 cites·1 claims
- 0838US2003030292A1Article moverFiled 2002·Application pending·0 cites
- 0935US2002105198A1Lifting deviceFiled 2001·Application pending·0 cites
- 1032US5722471ATool for rock breaking and log splittingFiled 1997·Granted Mar 3, 1998·3 cites·6 claims
- 1130US5941292ATool for rock breaking and log splittingFiled 1998·Granted Aug 24, 1999·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →