Keypad

Details Keypad Keypad

1984-02-21

1986-10-07

Lucas, Susan J.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D02860473

REFERENCES:
patent: D202554 (1965-10-01), Meunier
patent: D237977 (1975-12-01), Isaacs
patent: 3478857 (1969-11-01), Linker
patent: 4064560 (1977-12-01), Baxter
Apple III Personal Computer System Brochure, 5-1982, Keyboard.

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