Apparatus for determining a speed of a projectile
Apparatus for determining batting and base stealing outcomes in
Apparatus for determining performance-indicating numbers in spor
Apparatus for determining the identity and position of game obje
Apparatus for diagnosing the swing of a club, racquet, bat or si
Apparatus for displaying grouped characters in scanning type dis
Apparatus for distributing playing cards automatically
Apparatus for educational games
Apparatus for electromagnetically generating fields for repellin
Apparatus for electronic word game
Apparatus for entrapping errant tennis balls
Apparatus for evaluating ball pitching performance
Apparatus for evaluating baseball pitching performance
Apparatus for exercising manual coordination
Apparatus for facilitating the performance of billiard shots
Apparatus for facilitating the practicing of tennis and like gam
Apparatus for facilitating the teaching and practice of soccer r
Apparatus for financial investment education and entertainment
Apparatus for fixing inclined position of stand plates and the l
Apparatus for flexibly mounting a basketball goal