Title:
Underwater drainage apparatus
United States Patent 3363626


Inventors:
Bidwell, Robert E.
Hallstein, Edward J.
Sidney, Mishkin
Application Number:
US53517866A
Publication Date:
01/16/1968
Filing Date:
03/17/1966
Assignee:
J A DEKNATEL INC
Primary Class:
Other Classes:
137/176, 137/205, 141/59, 604/321, D24/117
International Classes:
A61M1/00
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