Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1987-08-06
1991-09-10
Holtje, Nelson C.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D10 80
Patent
active
D03198243
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Design Engineering, Bar Code Scanner, 12/79, p. 13.
Computer Advances, Datamation, 8/80, p. 125.
Davis Antoine D.
Holtje Nelson C.
Price/Stern/Sloan Publishers, Inc.
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