Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1995-06-14
1996-10-29
Asch, Jeffrey
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03750957
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patent: 4790007 (1988-12-01), Richter et al.
patent: 5121427 (1992-06-01), Gumb et al.
Bryant David E.
Elkins Erich C.
Erwin Doug A.
Hillenmayer Stefan
Kingsbury Mary E.
Asch Jeffrey
Siemens Rolm Communications Inc.
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