Inventor · disambiguated record
Donald M. Grey
Also filed as: GREY DONALD M
10 granted patents·145 citations·filing 1973–1989
90Inventor score
Top patents by PatentIndex Score
10 records- 0175US4329101ABale handling apparatusSPERRY CORP·Filed 1980·Granted May 11, 1982·33 cites·10 claims
- 0273US4832553AApparatus for loading and palletizing boxes and cartons, especially from an agricultural fieldGREY DONALD MARTIN·Filed 1985·Granted May 23, 1989·30 cites·23 claims
- 0367US4068804AMethod and machine for tearing apart stacked crop material balesSPERRY RAND CORP·Filed 1975·Granted Jan 17, 1978·23 cites·10 claims
- 0457US4876844AField crop harvesting, carton packaging and packed carton handling machine and methodGREY TECHNOLOGIES INC·Filed 1989·Granted Oct 31, 1989·18 cites·28 claims
- 0551US4088231AApparatus for repositioning bales on a bale wagonSPERRY RAND CORP·Filed 1976·Granted May 9, 1978·12 cites·4 claims
- 0645US3934734ABale wagonSPERRY RAND CORP·Filed 1973·Granted Jan 27, 1976·9 cites·6 claims
- 0737US4305690ADelivery tray return mechanism for a bale wagonSPERRY CORP·Filed 1979·Granted Dec 15, 1981·6 cites·7 claims
- 0835US4913618AApparatus for loading and palletizing boxes and cartons, from an agricultural fieldGREY TECHNOLOGIES INC·Filed 1988·Granted Apr 3, 1990·6 cites·46 claims
- 0932US4278379ABale wagonSPERRY CORP·Filed 1979·Granted Jul 14, 1981·3 cites·9 claims
- 1029US4261677AVertically adjustable cross conveyorSPERRY CORP·Filed 1979·Granted Apr 14, 1981·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →