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Old 05-29-2012, 11:01 PM
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BigBlue BigBlue is offline
Motorized Bicycle Elite Member
Join Date: Nov 2011
Location: California
Posts: 781
Default Re: 2 Friction Drives Compared


what's ludicrous is the bicycle friction drive designs have been around for over a hundred years, but patents still are granted on the same design concept. I guess the legal system keeps the process churning.

AKA: BigBlue
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