Amusement devices: games – Problem eliciting response
Patent
1989-05-01
1991-03-26
Shapiro, Paul E.
Amusement devices: games
Problem eliciting response
A63B 6510
Patent
active
050022865
ABSTRACT:
A projectile of hollow or solid plastic in the shape of a circle, ellipse, or other essentially toroidal body, said body having parts that are of appreciably higher density than other parts. This density difference being provided by selected loading of the plastic or use of a metal band on the body.
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patent: 4593913 (1986-06-01), Kochevar
Argo Industries Corp., Water Fun Catalog 3-1965, Under Water Dviing Rings.
Continental Promotions, Inc., Advertising Circular, 1-1972, Flip.N.Fly.
Wade Bill R.
Wade Thelma L.
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