Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1978-09-18
1981-11-03
Kemper, Catherine E.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D16 32, D1402
Patent
active
D02616530
REFERENCES:
patent: D209408 (1967-11-01), Britt et al.
patent: D209409 (1967-11-01), Britt et al.
patent: D220008 (1971-02-01), Johnson
patent: D233937 (1974-12-01), Hutcheson et al.
Kemper Catherine E.
Nashua Corporation
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