Inventor · disambiguated record
Arthur S. Zerfahs
Also filed as: ZERFAHS ARTHUR S
6 granted patents·83 citations·filing 1976–1997
83Inventor score
Top patents by PatentIndex Score
6 records- 0165US4094104AFinishing machineSYNERGETICS INC·Filed 1976·Granted Jun 13, 1978·17 cites·15 claims
- 0260US4453667ABill transport system for a fareboxQONAAR CORP·Filed 1982·Granted Jun 12, 1984·23 cites·14 claims
- 0356US5225665ATicket originating and processing device for transit vehicleGEN SIGNAL CORP·Filed 1992·Granted Jul 6, 1993·16 cites·12 claims
- 0450US5089694ACard reader device having automatic means for clamping the card to be read and for automatically ejecting the card at the end of the card reading and writing operationsGEN SIGNAL CORP·Filed 1990·Granted Feb 18, 1992·18 cites·7 claims
- 0535US6102387AAutomated sheet dispenserGEN RAILWAY SIGNAL CORP·Filed 1997·Granted Aug 15, 2000·4 cites·12 claims
- 0627US4145911ATemperature sensitive liquid column measuring and calibrating apparatusJUPA EDWARD C·Filed 1977·Granted Mar 27, 1979·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →