Inventor · disambiguated record
Donald C. Macgregor
Also filed as: MACGREGOR DONALD C
4 granted patents·170 citations·filing 1979–1991
80Inventor score
Top patents by PatentIndex Score
4 records- 0182US5148877AApparatus for lateral drain hole drilling in oil and gas wellsMACGREGOR DONALD C·Filed 1990·Granted Sep 22, 1992·101 cites·18 claims
- 0279US5154153AFuel treatment deviceMACGREGOR DONALD C·Filed 1991·Granted Oct 13, 1992·41 cites·7 claims
- 0374US5067340APrecision press brakeMACGREGOR DONALD C·Filed 1989·Granted Nov 26, 1991·25 cites·17 claims
- 0431US4234233AChain driven cutting bucket for use in deep miningHURD ROBERT L·Filed 1979·Granted Nov 18, 1980·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →