Diving weight
United States Patent 3192723
US Patent References:
Precast masonry unit
- - 2847848

Belt supported diving ballast
- - 2970448

Diver's weight
- - 3039273

Harness pack for free diving apparatus
- - 3090205


Inventors:
Apperson, Kenneth L.
Publication Date:
07/06/1965
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Assignee:
Apperson, Kenneth L.
Primary Class:
405/186
Other Classes:
224/101, 482/105
International Classes:
B63C11/30; B63C11/02