Title:
Guide body for reaction rotors
United States Patent 1640891
Inventors:
Hugo, Fritzel
Publication Date:
08/30/1927
View Patent Images:
Export Citation:
Assignee:
Hugo, Fritzel
Primary Class:
Other Classes:
416/4, 415/149.100, 415/907
International Classes:
B63H9/02; B63H9/00