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United States Patent 2059129

Inventors:
Maxwell, Maxwell C.
Thompson, Frank E.
Lowe, Charles B.
Publication Date:
10/27/1936
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Assignee:
YALE & TOWNE MFG CO
Primary Class:
70/493
Other Classes:
70/421, 70/419, 70/372, 70/378, 70/417
International Classes:
E05B27/04