Title:
Weighted fluid-containing exerciser with transparent walls
United States Patent 3334899
US Patent References:
/RE23612.html
- - RE23612

/0861993.html
- - 0861993

/1019584.html
- - 1019584

/1239520.html
- - 1239520

Bung for barrels
- - 1467698


Inventors:
Bosko, John M.
Lawrence, Bosko John
Lindecker, Joseph B.
Publication Date:
08/08/1967
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Assignee:
Bosko, John M.
Lawrence, Bosko John
Lindecker, Joseph B.
Primary Class:
482/108
Other Classes:
446/267
International Classes:
A63B21/072; A63B21/06
US Patent References:
1520108Bowling pin
2126689Suction plunger
2445358Pipe joint
2644890Amusement device
Foreign References:
GB191228047A