Title:
Closure operating means
Document Type and Number:
United States Patent 2703236
Inventors:
Verdier, George O.
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Publication Date:
03/01/1955
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Referenced by:
Export Citation:
Assignee:
VERDIER BROTHERS INC
Primary Class:
Other Classes:
49/358, 49/199
International Classes:
E05F15/16
US Patent References: