Title:
Double hung sash
Document Type and Number:
United States Patent 2577342
Inventors:
Mancini, Thomas C.
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Sponsored by: Flash of Genius |
Publication Date:
12/04/1951
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Referenced by:
Export Citation:
Assignee:
Mancini, Thomas C.
Primary Class:
Other Classes:
52/476, 292/145, 49/406, 49/480.100
International Classes:
E06B3/50; E06B3/58; E06B3/32
US Patent References:
Foreign References:
| GB190711490A | ||||
| GB189312618A |