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United States Patent 1368048

Inventors:
Pilliod, Thomas J.
Publication Date:
02/08/1921
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Assignee:
Pilliod, Thomas J.
Primary Class:
70/69
Other Classes:
292/DIG.042, 292/102, 312/222, 292/203, 292/99, 190/5
International Classes:
E05B65/00