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