Inventor · disambiguated record
Ernest H. Treff
Also filed as: TREFF ERNEST H
3 granted patents·104 citations·filing 1975–1992
75Inventor score
Top patents by PatentIndex Score
3 records- 0188US4008664AInk key control systemHARRIS INTERTYPE CORP·Filed 1975·Granted Feb 22, 1977·39 cites·2 claims
- 0281US5186103APrinting machine system, especially for printing on a web of heavy or thick stock material, with interchangeable printing cylindersROLAND MAN DRUCKMASCH·Filed 1992·Granted Feb 16, 1993·33 cites·19 claims
- 0374US4925179ADelivery fan with undulated fan pocketsHARRIS GRAPHICS CORP·Filed 1988·Granted May 15, 1990·32 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →