Window washing device
United States Patent 2832086
US Patent References:
/1212255.html
- - 1212255

Spray nozzle
- - 1658645


Inventors:
Wells, John H.
Publication Date:
04/29/1958
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Assignee:
Wells, John H.
Primary Class:
401/1
Other Classes:
15/250.030, 15/245, 401/139, 68/222, 15/401, D32/45, 392/476, 239/134
International Classes:
A47L1/08; A47L1/00
Foreign References:
DE455692C
FR684709A
DE582348C