Title:
Underwater craft
United States Patent 2981073


Inventors:
Robinson Jr., Jack D.
Application Number:
US60060356A
Publication Date:
04/25/1961
Filing Date:
07/27/1956
Assignee:
AMERICAN MACH & FOUNDRY
Primary Class:
Other Classes:
114/330, 114/338, 348/81
International Classes:
B63C11/42; B63C11/48
View Patent Images: