Interchangeable digital display sign

Details Interchangeable digital display sign Interchangeable digital display sign

1983-01-13

1985-04-09

Mancene, Gene

Card, picture, or sign exhibiting

Changing exhibitor

Alphanumeric device

40450, 40492, G09F 304

Patent

active

045092796

ABSTRACT:
This invention relates to a display device that may be constructed from a single sheet of resilient material having a plurality of color contrasting portions that may be displayed in various combinations to form a desired character, e.g. numeral, or the like.

REFERENCES:
patent: 4137650 (1979-02-01), Hays
patent: 4164824 (1979-08-01), Nidelkoff
patent: 4220948 (1980-09-01), Trame
patent: 4313270 (1982-02-01), Volkert et al.

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