P

Inventor

HORST WILLIAM R

17 patents

Patents

17 patents
US4385285AMay 24, 1983

Check dispensing terminal

NCR CO265 citations99
US4652698AMar 24, 1987

Method and system for providing system security in a remote terminal environment

NCR CO136 citations98
US4034211AJul 5, 1977

System and method for providing a security check on a credit card

NCR CO161 citations97
US4941205AJul 10, 1990

Bidirectional optical data communications system

NCR CO57 citations96
US4689478AAug 25, 1987

System for handling transactions including a portable personal terminal

NCR CO386 citations96
US4634845AJan 6, 1987

Portable personal terminal for use in a system for handling transactions

NCR CO438 citations96
US4023010AMay 10, 1977

Optical identification system and reader for reading optical gratings on a record medium

NCR CO65 citations94
US4011435AMar 8, 1977

Optical indicia marking and detection system

NCR CO114 citations93
US4398711AAug 16, 1983

Currency dispenser monitor

NCR CO39 citations92
US4585144AApr 29, 1986

Record member dispensing system

NCR CO28 citations89
US4044939AAug 30, 1977

Method of fabricating diffraction grating masters and apparatus therefor

NCR CO16 citations80
US4168058ASep 18, 1979

Record member feeding device

NCR CO23 citations79
US4101905AJul 18, 1978

Method for writing and viewing magnetic human readable characters and viewing means therefor

NCR CO9 citations72
US4092234AMay 30, 1978

Method of fabricating diffraction grating masters and apparatus therefor

NCR CO9 citations72
US4143357AMar 6, 1979

Transducing device for signature verification system

NCR CO15 citations70
US3985293AOct 12, 1976

Machine readable merchandise marking tag

NCR CO13 citations66
US4284715AAug 18, 1981

Method and apparatus for fabricating a translucent graded density membrane

NCR CO2 citations63