Cassette tape recorder

Details Cassette tape recorder Cassette tape recorder

1987-10-28

1990-10-02

Shooman, Theodore M.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Magnetic recorder or player

D21112

Patent

active

D03110060

REFERENCES:
patent: D216374 (1969-12-01), Yran
patent: D244718 (1977-06-01), Emmerling
patent: D253822 (1980-01-01), Hamada et al.
patent: D267662 (1983-01-01), Lambert et al.
patent: D277474 (1985-02-01), Miura
patent: D290843 (1987-07-01), Murphy
Hong Kong Enterprise, 9/85, p. 22, left-Models 826 and 862.
Stereo Discounters Electronic World Catalog, p. 30, bottom right-Dual Impedance Uni-directional Microphone.

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