Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-07-06
1993-01-26
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03327760
REFERENCES:
patent: D262623 (1982-01-01), Fujimoto et al.
patent: D278341 (1985-04-01), Scheid
patent: D293241 (1987-12-01), Wan et al.
patent: D303374 (1989-09-01), Larson et al.
Howard Joseph P.
Kelly Edward J.
Zierhut Clarence
Burke Wallace R.
ElectroCom Automation, Inc.
Meier Harold E.
Nunn Freda S.
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