US PATENT SUBCLASS 473 / 332
.~.~.~ Vibratory wave (e.g, shock wave, etc.) modifying feature

Current as of: June, 1999
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473 /   HD   GAMES USING TANGIBLE PROJECTILE

131  DF  GOLF {23}
282  DF  .~ Club or club support {17}
324  DF  .~.~ Head {15}
332.~.~.~ Vibratory wave (e.g, shock wave, etc.) modifying feature

DEFINITION

Classification: 473/332

Vibratory wave (e. g., shock wave, etc.) modifying feature:

(under subclass 324) Subject matter further including means to dampen, amplify, or direct the formation or transmission of an oscillatory impulse produced when the portion impacts the ball.