Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1988-11-17
1991-06-11
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D16235, D19 52
Patent
active
D03174468
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patent: 4946274 (1990-08-01), Honda
patent: 4973800 (1990-11-01), Sindeband et al.
Bican, Frank, "Presenting . . . Real-Time Overhead Displays for the Big Screen", PC Magazine, Mar. 15, 1988, pp. 161-180.
Alviar Christopher A.
Gulick Paul E.
Hix Steven R.
Vossoughi Sohrab
Burke Wallace R.
In Focus Systems, Inc.
Nunn Freda S.
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