Combined keypad and display

Details Combined keypad and display Combined keypad and display

1992-08-20

1994-07-05

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03484548

REFERENCES:
patent: D290707 (1987-07-01), Allen et al.
patent: D302428 (1989-07-01), Klebba
patent: D328607 (1992-08-01), Brennan
patent: D330547 (1992-10-01), Howe et al.
Magazine advertisement from 1991 and 1992.

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