Title:
Ventilators
United States Patent 2875678
US Patent References:
/0715169.html
- - 0715169

/0776642.html
- - 0776642

Fan
- - 1604448

Fan bracket or support
- - 1614190

Ventilating apparatus
- - 2198420


Inventors:
Wyley, Shepherd
Publication Date:
03/03/1959
View Patent Images:
Download PDF 2875678 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Wyley, Shepherd
Primary Class:
454/355
Other Classes:
454/356
International Classes:
F04D29/64; F24F7/02; F04D29/60
US Patent References:
2218348Ventilator
2332552Roof fan ventilator
2551004Ventilator
2571513Ventilator
2638835Roof ventilator
2684621Attic ventilator