Title:
Tamperproof gate keeper
Document Type and Number:
United States Patent 2749164
Inventors:
Kitzelman, Edward H.
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Publication Date:
06/05/1956
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Referenced by:
Export Citation:
Assignee:
ACORN IRON AND WIRE WORKS
Primary Class:
Other Classes:
292/340, 70/99, 292/DIG.046, 70/102
International Classes:
E05B65/08