Keycap

Details Keycap Keycap

1987-04-22

1990-11-06

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03119130

REFERENCES:
patent: D212865 (1968-12-01), Bowman et al.
patent: D219027 (1970-10-01), Miller
patent: D282474 (1986-02-01), Sparks et al.
patent: 3516604 (1970-06-01), Taylor et al.
patent: 3861235 (1975-01-01), Wenderoth
patent: 4365903 (1982-12-01), Zeller et al.
patent: 4563550 (1986-01-01), Bertina
patent: 4670633 (1987-06-01), Kaiwa et al.
Lighted Program Function Keyboard and Keycap Design-Photographs (4) .COPYRGT.1986.

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