Hydroplane-operating mechanism for submarine boats
United States Patent 1428335

Inventors:
Kolvig, Johannes F. W.
Publication Date:
09/05/1922
View Patent Images:
Download PDF 1428335 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
LAKE TORPEDO BOAT COMPANY
Primary Class:
114/332
International Classes:
B63G8/18; B63G8/00