1974-08-23
1976-01-27
Blix, Trygve M.
Undertaking
115 20, 272 1B, 272 57T, A63C 1504
Patent
active
039342913
ABSTRACT:
A unitary hollow paddle wheel of a size to receive a person in upright position and composed of two circular pneumatic tubes connected in spaced relation by transverse members that also support a tread which is operated by the person within the wheel to propel the same in a forward or backward direction and through which the person may observe his progress.
REFERENCES:
patent: 2468287 (1949-04-01), Bohler
patent: 2838022 (1958-06-01), Wilson
patent: 3088732 (1963-05-01), Hetland
patent: 3608112 (1969-05-01), Irgens
patent: 3675259 (1972-07-01), Gilchrist
Blix Trygve M.
Douglas Leigh Research and Development Corporation
Frankfort Charles E.
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