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Variable-width window fan assembly
United States Patent 2580663
US Patent References:
/0879119.html
- - 0879119
/1241660.html
- - 1241660
/1702117.html
- - 1702117
Ironing board
- - 1707114
Closet bar
- - 1793035
Inventors:
Delf, George A.
Delf, Glenn A.
Publication Date:
01/01/1952
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Download PDF 2580663
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Assignee:
Delf, George A.
Delf, Glenn A.
Primary Class:
454/210
International Classes:
F04D29/64
;
F24F7/013
;
F04D29/60
US Patent References:
2350113
Portable support
2448671
Frame structure for ventilating fans