Title:
Hollow propeller blade with bulbed core
United States Patent 2652121
Inventors:
Kearns Jr., Charles M.
Lampton, Glen T.
Publication Date:
09/15/1953
Export Citation:
Assignee:
UNITED AIRCRAFT CORP
Primary Class:
Other Classes:
29/889.61, 72/61
International Classes:
B64C11/24; B64C11/00
View Patent Images:
US Patent References:
Foreign References:
FR877664A