Title:
Light-reflecting signal device
United States Patent 1739289


Inventors:
Carter, Esther M.
Application Number:
US26706328A
Publication Date:
12/10/1929
Filing Date:
04/03/1928
Assignee:
Carter, Esther M.
Primary Class:
Other Classes:
2/1, 2/338
International Classes:
G08B5/00
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