Title:
Helicopter
United States Patent 2348249
Inventors:
Casimiro, Ferro
Publication Date:
05/09/1944
Export Citation:
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Assignee:
Casimiro, Ferro
Primary Class:
416/165
Other Classes:
244/6, 244/7R, 416/166
International Classes:
B64C27/00; B64C27/00
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