Power Tower

My frend and I were having a debate over how power tower works. Could someone please direct me to the patent page I saw here once? Please, I realize this was here once, but I can't find it.

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"the Force of the new Millennium is being felt by those who choose to seek it.

Here you go:

http://www.guidetothepoint.com/thepoint/cpplace/thread.asp?ForumID=1&TopicID=2691


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Brandon Sorc
Millennium Force count:46
www.spiritofthepoint.com