Electronic memory credit card with frangible portion

Details Electronic memory credit card with frangible portion Electronic memory credit card with frangible portion

1979-12-03

1982-06-08

Word, George P.

Office supplies; artists and teachers materials

Credit card, certificate, or stamp

Identification or credit-type card

D20 27, D1999

Patent

active

D02648539

REFERENCES:
patent: D224569 (1972-08-01), Regan
patent: 3537195 (1970-11-01), Gerds
patent: 3583317 (1971-06-01), Gibson
patent: 3949501 (1976-04-01), Andrews et al.
patent: 4006050 (1977-02-01), Hurst et al.

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