Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-07-17
1993-07-06
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03371026
REFERENCES:
patent: D275102 (1984-08-01), MacConnell
Subsets and Office Terminals-"Electrical Communication" vol. 61, No. 3, pp. 348-1987.
Hogdahl Per
Spayde Thomas G.
Burke Wallace R.
Nunn Freda S.
Tusk, Incorporated
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