Multiple telephone line connector

Details Multiple telephone line connector Multiple telephone line connector

1992-05-11

1993-12-07

Douglas, Alan P.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

D13162, D13184, D14241

Patent

active

D03420736

REFERENCES:
patent: D253281 (1979-10-01), Kim
patent: D265989 (1982-08-01), Harris et al.
patent: D300428 (1989-03-01), Garmon
patent: D305881 (1990-02-01), Bergeron
patent: D307908 (1990-05-01), Pushelberg
patent: D311389 (1990-10-01), Festa et al.
patent: D316853 (1991-05-01), Dickey
patent: 4652969 (1987-03-01), Stegenga
1989 B. A. Pargh Catalog, p. 372, two Bell Ringers at bottom of page.
Catalog of Ai-Phone Kabushiki Kaisha.

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