Keyboard and display panel for intersection controller

Details Keyboard and display panel for intersection controller Keyboard and display panel for intersection controller

1984-05-23

1987-07-07

Lucas, Susan J.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

D13 12

Patent

active

D02907070

REFERENCES:
patent: D252460 (1979-07-01), Milia et al.
patent: D254433 (1980-03-01), Roch
patent: 4107459 (1978-08-01), Stamper
Computer Design, 9-1982, p. 202, Data Line Monitor.

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