Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-10-24
1991-08-20
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03192229
REFERENCES:
patent: D294356 (1988-02-01), Papajohn
patent: D294578 (1988-03-01), Yubisui
patent: D298537 (1988-11-01), Walters, II et al.
patent: D302974 (1989-08-01), Shim
patent: D306158 (1990-02-01), Ashihara
patent: D308645 (1990-06-01), Hughes et al.
patent: D311907 (1990-11-01), Yoshihara
The Government Micro User's Catalog, vol. 1, No. IV, Spring 1986, p. 68--Portable Computer.
Fukuda Kouki
Mizusugi Kanji
Burke Wallace R.
Nunn Freda S.
Sharp Corporation
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