Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1988-06-24
1990-11-20
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03122476
REFERENCES:
patent: D222471 (1971-10-01), Shebanow et al.
patent: D225411 (1972-12-01), Chaffee
patent: D248233 (1978-06-01), Dibenedetto
patent: 3706874 (1972-12-01), Lockard
patent: 3801776 (1974-04-01), Goeppinger et al.
patent: 4277689 (1981-07-01), Thomas et al.
patent: 4396902 (1983-08-01), Warthan et al.
Brunner David M.
Simoneaux Todd M.
Thompson John W.
Applied Realtime Systems, Inc.
Burke Wallace R.
Nunn Freda S.
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