Websites to check out...
www.thomasregister.com (list of mfr.)
www.uspto.gov Are you looking for a custom made metal or plastic prototype? Check out www.emachineshop.com It is a virtual online machine shop that lets you design, price and order custom parts instantly by using their free online software.
http://www.ideaconnection.com/
http://www.inc.com/magazine/20090601/index.html
http://www.mominventors.com/
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