Magnetic card operated, microprocessor-based access, cycle and t

Details Magnetic card operated, microprocessor-based access, cycle and t Magnetic card operated, microprocessor-based access, cycle and t

1982-03-17

1985-01-29

Lucas, Susan J.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

D14107

Patent

active

D02773821

REFERENCES:
patent: D221384 (1971-08-01), Molyneaux
patent: 4277689 (1981-07-01), Thomas et al.
Office Products Dealer, 3-1980, p. 82, Danyl Corp. Keyboard Entry Unit for Controlling Copier Usage.

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