Instructional device with adjustable ball-striking sleeve

Instructional golf mat

Instructional method and system for team sports

Instructional swing device

Instrumented golf club system & method of use

Instrumented golf club system and method of use

Instrumented golf club system and method of use

Instrumented sports apparatus and feedback method

Integral low maintenance cue tip

Integral molded grip and shaft

Integral sole plate and hosel for a golf club head

Integral sole plate and hosel for a golf club head

Integrated pole pad for sports support pole

Intensified structure for connecting a golf club head body...

Interactive ball throwing game

Interactive golf driving range facility

Interactive method and apparatus for tracking and analyzing...

Interactive quest game

Interchangeable and adjustable putter

Interchangeable and rotatable finger insert for a bowling ball