Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1991-05-08
1993-09-07
Ansher, Bernard
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Patent
active
D03391388
REFERENCES:
patent: D215853 (1969-11-01), Zar et al.
patent: D291601 (1987-08-01), D'Antonio et al.
patent: 2077170 (1937-04-01), Harrison
patent: 4135601 (1979-01-01), Tsukagoshi et al.
patent: 4898260 (1990-02-01), Fang
patent: 4939703 (1990-07-01), Muller
Ansher Bernard
Morris Sandra
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