BOAT LEVELER MECHANISM PISTON CONSTRUCTION
United States Patent 3468278

Inventors:
Kercheval, Frank T.
Publication Date:
09/23/1969
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Assignee:
Frank, Kercheval T.
Primary Class:
114/286
Other Classes:
417/410.300, 417/410.100, 92/169.100, 417/383, 417/505, 235/71R
International Classes:
B63B39/06; B63B39/00; B63B39/06; B63B1/18




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