Games using tangible projectile – Bowling – Practice or assist device
Patent
1996-02-14
2000-08-29
Sager, Mark A.
Games using tangible projectile
Bowling
Practice or assist device
473 58, 340323B, A63B 5700, A63D 504
Patent
active
061100528
ABSTRACT:
An apparatus including a bowling lane, pins positioned on one end of the bowling lane, a bowling ball adapted to be launched down the bowling lane toward the bowling balls, and a spin detector for determining a spin rate of the bowling ball as the bowling ball travels down the bowling lane. An angle detector detects the angle of the spin axis of the bowling ball. The apparatus also measures and displays information relating to ball velocity, ball position, coefficient of friction, launch angle, and entry angle.
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Donovan James M.
Speranza Daniel R.
Sprager David G.
Vezina Larry M.
American Bowling Congress
Sager Mark A.
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