Interchangeable digital display sign
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United States of America Patent
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-
Apr 9, 1985
Grant Date -
N/A
app pub date -
Jan 13, 1983
filing date -
Jan 13, 1983
priority date (Note) -
Expired
status (Latency Note)
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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.
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Cited Art Landscape
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