Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-06-07
1993-06-01
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03360750
REFERENCES:
patent: D301137 (1989-05-01), Trepton et al.
patent: D304823 (1989-11-01), Pfeifer et al.
patent: D311911 (1990-11-01), Ueno et al.
patent: D320007 (1991-09-01), Leverault et al.
patent: D321343 (1991-11-01), Feer et al.
patent: D328736 (1992-08-01), Hodge
Bleck James H.
Kowal Keith E.
Spalding Tom J.
Thraikill John E.
Wakefield Scott H.
Burke Wallace R.
Ergo Computing, Inc.
Nunn Freda S.
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