07479074 is referenced by 11 patents and cites 9 patents.

Apparatus and method for a batting tee which provides an effective and useful device for improving a user's baseball swing. The present invention comprises a portable regulation size home plate which has a swinging arm member rotatably attached thereto which member has a first and second upright-standing batting tee thereon which are each adjustable in height. The rotatable member is attached to the home plate by means of a fastener which allows the member to swing 360 degrees around the home plate in the horizontal plane. The particular placement of the batting tees about the home plate allows the device to be used to teach a user batter how to hit balls thrown in each position about the home plate.

Title
Batting tee
Application Number
11/438112
Publication Number
7479074 (B1)
Application Date
May 22, 2006
Publication Date
January 20, 2009
Inventor
Ronald I Pierce
Troy
AL, US
Agent
Bradley D Crose
Crose Law
Assignee
Ron Pierce
AL, US
IPC
A63B 69/40
A63B 69/00
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