Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Video
Patent
1986-01-03
1989-02-14
Feifer, Melvin B.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Video
Patent
active
D02998246
REFERENCES:
patent: D163206 (1951-05-01), Klotz, Jr.
patent: D172790 (1954-08-01), Houlihan
patent: D186335 (1959-10-01), Harman
patent: D262881 (1980-02-01), Inoue et al.
patent: D277577 (1985-02-01), Sumino et al.
patent: 4021105 (1977-05-01), Schubach
patent: 4237493 (1980-12-01), Appeldorn
Butler Benjamin
Girson LeRoy S.
Feifer Melvin B.
Shooman Theodore M.
Theatervision, Inc.
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