Title:
Diving apparatus
United States Patent 2238759

Inventors:
Hans, Vestrem Ivan
Publication Date:
04/15/1941
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Assignee:
Manuel, Kepote
Gus, Cocoris
George, Mavros
James, Alafantis
Jack, Bolton I.
Primary Class:
128/201.250
Other Classes:
116/26, 128/201.270, 128/202.130, 116/200
International Classes:
B63C11/22; B63C11/02