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
View Patent Images:
Assignee:
Delf, George A.
Delf, Glenn A.
Primary Class:
International Classes:
F04D29/64; F24F7/013; F04D29/60
US Patent References:
2350113Portable support
2448671Frame structure for ventilating fans