Rotary airfoil
United States Patent 1922866

Inventors:
Sandor, Rosenberg
Alexander, Klemin
Publication Date:
08/15/1933
View Patent Images:
Download PDF 1922866 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Sandor, Rosenberg
Alexander, Klemin
Primary Class:
416/88
Other Classes:
416/159, 416/89, 244/218
International Classes:
B64C27/02; B64C27/00