Tow sticks
United States Patent 2949972

Inventors:
Benjamin, Wirkkala
Publication Date:
08/23/1960
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Assignee:
Benjamin, Wirkkala
Primary Class:
Other Classes:
180/11, 180/342, 180/904, 180/14.700
International Classes:
B64F1/22; B64F1/00
US Patent References:
2815875Dolly for handling small boats or the like