Interchangeable illuminated letter sign
United States Patent 2499049

Inventors:
Radcliffe, Yates Harold
Publication Date:
02/28/1950
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Assignee:
NUSIGN ELECTRIC LTD
Primary Class:
40/576
Other Classes:
40/618
International Classes:
G09F13/26; G09F13/00
US Patent References:
1986009Composite luminescent tube panel system
2024409Electric sign
2059451Neon sign
2095291Plastic material
2306115Mounting for initials or the like
Foreign References:
GB365488A
GB366696A
GB395574A
GB406351A