Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-01-05
1990-08-28
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 1
Patent
active
D03102092
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Franklin Computer Corporation Spelling Ace, Sales document .COPYRGT.1988.
Franklin Computer Language Master, Sales document .COPYRGT.1987.
Lucas Susan J.
Nunn Freda S.
Smith Corona Corportion
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