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Old 08-04-2013, 04:46 PM
  #9  
Sheluma
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Join Date: Jul 2013
Posts: 477
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Thanks, Steve! If I had searched "machines" instead of "machine" I would have gotten several results:

http://patft1.uspto.gov/netacgi/nph-...erse%29&d=PALL

Three of them are inventions similar to this one.
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