Illuminated sign structure
United States Patent 2624141
US Patent References:
Illuminated sign
- - 1488314
Illuminating device for the display and examination of negatives
- - 1803631
Illuminated sign
- - 2165550
Illuminated sign
- - 1488314
Illuminating device for the display and examination of negatives
- - 1803631
Illuminated sign
- - 2165550
Inventors:
Martin, Clarence F.
Publication Date:
01/06/1953
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Assignee:
Martin, Clarence F.
Primary Class:
Other Classes:
362/360, 40/618, 362/317
International Classes:
G09F13/04
Foreign References:
| FR704815A | ||||
| FR759783A |