Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1985-04-30
1989-01-17
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Patent
active
D02994577
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patent: 4446333 (1984-05-01), Kessler
Burke Wallace R.
Coscom Datentechnik GmbH & Co. Computer KG
Fay Jr. Horace B.
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