Metal shell golf club head, with keel

Metal substance detection system for detecting the presence posi

Metallic body detecting apparatus

Metallic golf clubhead

Metalwood with raised sole

Method and apparatus for analyzing movements of an individual

Method and apparatus for determining parameters of the motion of

Method and apparatus for determining parameters of the motion of

Method and apparatus for golf practice and instruction

Method and apparatus for measuring golf driving distance

Method and apparatus for practicing golf ball chipping and putti

Method and apparatus to determine object striking instrument mov

Method and course for playing a golf-like game

Method and course for playing a golf-like game

Method and kit for retrofitting a pinball machine

Method and kit retrofitting a pinball machine

Method and means for determining golf ball impact

Method and system for providing custom designed golf clubs havin

Method for detecting golfer's head movement when putting

Method for generating a plurality of moving objects on a video d