Toilet signal device
United States Patent 2075308
Inventors:
Simonsen, Alfred H.
Publication Date:
03/30/1937
Export Citation:
Assignee:
Simonsen, Alfred H.
Primary Class:
Other Classes:
4/902, 4/239, 4/DIG.005, 4/300
International Classes:
A47K13/24; A47K13/00
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