Arthur S. Zerfahs

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Elk Grove Village, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Automated sheet dispenser
- Patent number 6,102,387
- Issue date Aug 15, 2000
- General Railway Signal Corporation
- Arthur S. Zerfahs
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Ticket originating and processing device for transit vehicle
- Patent number 5,225,665
- Issue date Jul 6, 1993
- General Signal Corporation
- Arthur S. Zerfahs
- G07 - CHECKING-DEVICES
Information Patent Grant
Card reader device having automatic means for clamping the card to...
- Patent number 5,089,694
- Issue date Feb 18, 1992
- General Signal Corporation
- Arthur S. Zerfahs
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Bill transport system for a farebox
- Patent number 4,453,667
- Issue date Jun 12, 1984
- Qonaar Corporation
- Arthur S. Zerfahs
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Temperature sensitive liquid column measuring and calibrating appar...
- Patent number 4,145,911
- Issue date Mar 27, 1979
- Edward C. Jupa
- G01 - MEASURING TESTING
Information Patent Grant
Finishing machine
- Patent number 4,094,104
- Issue date Jun 13, 1978
- Synergetics, Inc.
- Arthur S. Zerfahs
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR