Title:
Iceboat conversion kit
United States Patent 3139057
US Patent References:
Boat trailer
- - 2657934


Inventors:
Black, John O.
Publication Date:
06/30/1964
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Assignee:
Black, John O.
Primary Class:
114/43
Other Classes:
D12/304
International Classes:
B63B7/08; B63B7/00