Title:
Adjustable or self-regulating propeller
United States Patent 1425922
Inventors:
Erwin, Wesnigk
Publication Date:
08/15/1922
Export Citation:
Click for automatic bibliography generation
Assignee:
Erwin, Wesnigk
Primary Class:
416/18
Other Classes:
416/48, 416/124
International Classes:
B64C11/34; B64C11/00
View Patent Images:
Download PDF 1425922        PDF help