Title:
Propeller
United States Patent 1623420


Inventors:
Leinweber, William H.
Application Number:
US3995725A
Publication Date:
04/05/1927
Filing Date:
06/27/1925
Assignee:
Victor, Leinweber H.
Curtis, Leinweber H.
Primary Class:
Other Classes:
D23/413
International Classes:
B64C11/18
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