Title:
Toilet signalling devices
United States Patent 2721531
US Patent References:
/1279843.html
- - 1279843

Toilet signal device
- - 2075308


Inventors:
Findley Jr., Norman P.
Publication Date:
10/25/1955
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Assignee:
Findley Jr., Norman P.
Primary Class:
116/67R
Other Classes:
4/902, 4/239, 84/94.200
International Classes:
A47K13/24; A47K13/00