Title:
Rotatable airfoil kite
United States Patent 2501442
Inventors:
Donaldson, Jesse C.
Publication Date:
03/21/1950
View Patent Images:
Export Citation:
Assignee:
Donaldson, Jesse C.
Primary Class:
Other Classes:
416/4
International Classes:
B64C31/06; B64C31/00
Foreign References:
| GB483043A | ||||
| CH121698A | ||||
| CH146887A |