Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1992-01-21
1994-02-15
Holtje, Nelson C.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Patent
active
D03442721
REFERENCES:
patent: D210378 (1968-03-01), Perkins
patent: D297838 (1988-09-01), Boykiw et al.
patent: D299027 (1988-12-01), Boykiw
patent: D303386 (1989-09-01), Iino
patent: D311398 (1990-10-01), Sugano
Asch Jeffrey
British Telecommunications PLC
Holtje Nelson C.
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