Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-03-08
1992-05-19
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03262618
REFERENCES:
patent: D285445 (1986-09-01), Davis et al.
patent: D299140 (1988-12-01), Nakamura
patent: D305756 (1990-01-01), Parker et al.
patent: D309449 (1990-07-01), MacDonald et al.
patent: D314193 (1991-01-01), Ishihara et al.
Portable Office, Apr. 1991, p. 70, Logitech Pointers (center of page).
Ashmun Stuart
Bradley Paul
Cameron Bridget
Fulton Elinor J.
Garthwaite Charlie
Burke Wallace R.
Microsoft Corporation
Nunn Freda S.
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