Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-01-08
1994-07-05
Holtje, Nelson C.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03484599
REFERENCES:
patent: D259260 (1981-05-01), Bloomberg
patent: D264077 (1982-04-01), Fukushima et al.
patent: D274427 (1984-06-01), Frederickson
patent: D289755 (1987-05-01), Todeschini
patent: D319828 (1991-09-01), Thomke
patent: D331583 (1992-12-01), Gallagher
patent: D342731 (1993-12-01), Wicks
Wicks James F.
Yamagishi Yoshinobu
Asch Jeffrey
Eslinger Lewis H.
Holtje Nelson C.
Maioli Jay H.
Sony Corporation
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