Electric eye for automatically operating flushing valves
United States Patent 2603794
US Patent References:
Means for controlling the flushing of urinals
- - 2438207


Inventors:
Lewis, Bokser
Publication Date:
07/22/1952
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Assignee:
Lewis, Bokser
Primary Class:
4/304
Other Classes:
4/249
International Classes:
E03D5/10; E03D5/00
Foreign References:
GB493200A
GB504185A