Title:
Cooling fan blade
United States Patent 2880809


Inventors:
Wagner, Wesley R.
Application Number:
US59390156A
Publication Date:
04/07/1959
Filing Date:
06/26/1956
Assignee:
Wagner, Wesley R.
Primary Class:
Other Classes:
123/41.49
International Classes:
F01P5/02; F01P11/06; F04D29/36; F01P5/04
View Patent Images:
US Patent References:
2243046Selective two pitch airscrew1941-05-20
1496776Adjustable motor fan1924-06-10