Title:
Swimming instructing machine and exerciser
United States Patent 3074716
US Patent References:
/0781328.html
- - 0781328

Swimming practice apparatus
- - 2019224

Swimming instructor
- - 2033275

Mechanical swimming exercising machine
- - 2497391


Inventors:
Mitchel, Carl E.
Mitchel, George F.
Publication Date:
01/22/1963
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Assignee:
Mitchel, Carl E.
Mitchel, George F.
Primary Class:
482/56
Other Classes:
482/112, 601/35, 601/40, 482/131
International Classes:
A63B69/10; A61H1/02
Foreign References:
DE515747C