Title:
Door latch operating unit
Document Type and Number:
United States Patent 2879096
Inventors:
Mcconnell, Frank J.
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Publication Date:
03/24/1959
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Referenced by:
Export Citation:
Assignee:
AMERICAN HARDWARE CORP
Primary Class:
Other Classes:
70/451, 292/337
International Classes:
E05C1/16; E05C1/00
US Patent References: