Inventor · disambiguated record
Donald L. Frank
Also filed as: FRANK DONALD L
3 granted patents·55 citations·filing 1990–1994
73Inventor score
Top patents by PatentIndex Score
3 records- 0171US5158017APress dampening systemSUN GRAPHIC TECH INC·Filed 1990·Granted Oct 27, 1992·17 cites·15 claims
- 0270US5471927ATemperature controlled printing pressROYSE MFG CO·Filed 1994·Granted Dec 5, 1995·22 cites·12 claims
- 0352US5218903APress dampening systemSUN GRAPHIC TECH INC·Filed 1992·Granted Jun 15, 1993·16 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →