Combined speaker and microphone peripheral unit

Details Combined speaker and microphone peripheral unit Combined speaker and microphone peripheral unit

1994-09-19

1995-10-31

Shooman, Ted

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

D14214

Patent

active

D03637212

REFERENCES:
patent: D244696 (1977-06-01), Ripple
patent: D248854 (1978-08-01), Ripple
patent: D322608 (1993-01-01), Masagaki
patent: D343676 (1994-01-01), Lim
patent: 4580653 (1986-04-01), Owens
patent: 5291559 (1994-03-01), Freadman

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