US PATENT SUBCLASS 473 / FOR 230
.~.~ Curling stones (273/128CS)

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

FOR 168  DF  BAT, MALLET, RACKET, OR BILLY (273/67R) {23}
FOR 229  DF  .~ Projectile (273/128R) {2}
FOR 230.~.~ Curling stones (273/128CS)