Lifesaving equipment for marine vessels
United States Patent 2030768

Inventors:
Shultz, William R.
Publication Date:
02/11/1936
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Assignee:
Shultz, William R.
Primary Class:
114/328
Other Classes:
174/101.500, 441/11, 441/27, 441/26, 114/329
International Classes:
B63G8/41; B63G8/00