Back mounted underwater propulsion assembly for divers
United States Patent 3136279
US Patent References:
/0617049.html
- - 0617049

/1065385.html
- - 1065385

/1310253.html
- - 1310253

Swimming device
- - 1586595

Motor surfing apparatus
- - 1712620


Inventors:
Albert, Boatwright
Publication Date:
06/09/1964
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Assignee:
Albert, Boatwright
Primary Class:
440/5
Other Classes:
244/4A
International Classes:
A63B35/12; A63B35/00
US Patent References:
3048140Underwater propulsion device
3014448Underwater propulsion device for swimmers
Foreign References:
FR1223266A