Title:
Louvered sign
Document Type and Number:
United States Patent 3383785
Inventors:
Werner, Willy T.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
05/21/1968
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Referenced by:
Export Citation:
Primary Class:
Other Classes:
40/621, 40/502, 40/480
International Classes:
G09F11/02; G09F11/00
US Patent References: