Key telephone set

Details Key telephone set Key telephone set

1990-02-09

1991-11-12

Fay, Jr., Horace B.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

D14241, D14247, D14142

Patent

active

D03215113

REFERENCES:
patent: D251844 (1979-05-01), Kramer
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patent: D282006 (1986-01-01), Menei et al.
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patent: D283507 (1986-04-01), Van Gilluwe
patent: D286042 (1986-10-01), Fukutani
patent: D287585 (1987-01-01), Brown et al.
patent: D287850 (1987-01-01), Marshall
patent: D293103 (1987-12-01), Gauffin et al.
patent: D297935 (1988-10-01), Kurosu et al.
patent: D300216 (1989-03-01), Jino
patent: D303115 (1989-08-01), Hart et al.
patent: D303665 (1989-09-01), Ohta et al.
patent: D305025 (1989-12-01), Jino
patent: D306295 (1990-02-01), Nagele
patent: D307418 (1990-04-01), Aachauer et al.
patent: D308059 (1990-05-01), Desbanats

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