Title:
Vertically sliding door
Document Type and Number:
United States Patent 3304994
Inventors:
Kozak, Andrew F.
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Publication Date:
02/21/1967
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Referenced by:
Export Citation:
Assignee:
Data, Instr Division
Primary Class:
Other Classes:
160/193
International Classes:
E06B3/92; E06B3/00
US Patent References: