Expansion unit for the extension of electronic computer function

Details Expansion unit for the extension of electronic computer function Expansion unit for the extension of electronic computer function

1991-03-26

1992-12-08

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03315738

REFERENCES:
patent: D310998 (1990-10-01), Lee et al.
patent: D313404 (1991-01-01), Myers
patent: D314183 (1991-01-01), Wong
patent: D318466 (1991-07-01), Grundstrom et al.
patent: 4530066 (1985-07-01), Ohwaki et al.
patent: 4894792 (1990-01-01), Mitchell et al.
patent: 5036313 (1991-07-01), Lin et al.
No. CN 3005641S, Chinese Gazette, May 23, 1990.
No. 107 481, Korean Design Gazette, Oct. 10, 1990.

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