Inventor · disambiguated record
Marvin J. Priefert
Also filed as: PRIEFERT MARVIN J
6 granted patents·105 citations·filing 1975–1988
84Inventor score
Top patents by PatentIndex Score
6 records- 0174US4509577AChain gate structurePRIEFERT MFG CO INC·Filed 1983·Granted Apr 9, 1985·35 cites·5 claims
- 0273USD286690SPortable corral panelPRIEFERT MFG CO INC·Filed 1984·Granted Nov 11, 1986·13 cites·1 claims
- 0368US4858417AMower with adjustable extension wingsPRIEFERT MFG CO INC·Filed 1988·Granted Aug 22, 1989·31 cites·11 claims
- 0448US4062454AMaterial loading trailer apparatusPRIEFERT MARVIN J·Filed 1977·Granted Dec 13, 1977·12 cites·16 claims
- 0539US4226212AAnimal holding gate with automatic closing operationPRIEFERT MFG CO·Filed 1979·Granted Oct 7, 1980·8 cites·6 claims
- 0636US3945661ATrailer apparatus for loading and transporting a farm unitPRIEFERT MARVIN J·Filed 1975·Granted Mar 23, 1976·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →