United States Patent 2712139
US Patent References:
Aquatic amusement and exercising device
- - 2075649

Pontoon, float, and the like
- - 2121052

Sea scooter
- - 2379526


Publication Date:
07/05/1955
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Primary Class:
441/135
Other Classes:
359/895, 114/66, D21/809
International Classes:
B63C11/48; B63C11/00
Foreign References:
IT433096B
FR987832A
FR1007294A