Inventor · disambiguated record
Donald R. Hartwig
Also filed as: HARTWIG DONALD R
3 granted patents·174 citations·filing 1979–1988
77Inventor score
Top patents by PatentIndex Score
3 records- 0192US4244522ALiquid storage and distribution apparatus for agricultural implementsDEERE & CO·Filed 1979·Granted Jan 13, 1981·68 cites·4 claims
- 0289US4796550ASingle angled blade coulter and fertilizer openerDEERE & CO·Filed 1985·Granted Jan 10, 1989·63 cites·1 claims
- 0385US4858698AWeight transfer linkage arrangementYETTER MFG·Filed 1988·Granted Aug 22, 1989·43 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →