Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1994-05-27
1996-10-08
Tung, Melanie H.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03744361
REFERENCES:
patent: D311526 (1990-10-01), Hamada et al.
patent: D312077 (1990-11-01), Sasaki et al.
patent: D312250 (1990-11-01), Sasaki et al.
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patent: D346374 (1994-04-01), Miyazaki et al.
patent: D346375 (1994-04-01), Miyazaki et al.
patent: D351593 (1994-10-01), Miyazaki
U.S. Patent Publication No. 312,077, Nov. 13, 1990. Official Gazette, p. 1178.
U. S. Design Patent Publication, No. 312, 250, Nov. 20, 1990. Official Gazette, p. 1819.
Catalog of an erasable optical media, Sep. 25, 1990. Digital Optical Technologies Catalog.
Yamamoto Tokuzo
Yamane Nobuhiro
Kabushiki Kaisha Toshiba
Tung Melanie H.
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