Inventor · disambiguated record
David E. Shivers
Also filed as: SHIVERS DAVID E
3 granted patents·97 citations·filing 1976–1980
75Inventor score
Top patents by PatentIndex Score
3 records- 0180US4271879AHydraulic stump cutting and digging apparatusSHIVERS DEBORAH·Filed 1979·Granted Jun 9, 1981·40 cites·38 claims
- 0279US4335493ACutting tooth extractor for stump cutting and digging apparatusesSHIVERS JR NORMAN E·Filed 1980·Granted Jun 22, 1982·41 cites·9 claims
- 0355US4074447AStump cutting and precision digging apparatusSHIVERS JR NORMAN E·Filed 1976·Granted Feb 21, 1978·16 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →