Hovering apparatus for submarines and other buoyant objects
United States Patent 2887976
Inventors:
Hanna, Clinton R.
Osbon, William O.
Publication Date:
05/26/1959
Assignee:
Hanna, Clinton R.
Osbon, William O.
Other Classes:
114/125, 73/178R
International Classes:
B63G8/22; F16K31/00; G05D16/20; B63G8/00