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Re: Elon Musk is so not orginal.
Author: Ed Workman
Date: 03-26-2016 - 18:17

Ya might try a google patent search
My first pass got maybe 50 pages of hits
Certainly not all were for PMMs, but that first try went back only as far as about year 2000.
Perpetual Calendars spoil the mix, as do other combinations of perpetual and motion
But for an amusing example try this
[www.google.com]

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Subject Written By Date/Time (PST)
  Elon Musk is so not orginal. Pdxrailtransit 03-23-2016 - 16:31
  Link to the Rand Corp. Paper Pdxrailtransit 03-23-2016 - 16:37
  Re: Elon Musk is so not orginal. New Felton 03-23-2016 - 19:29
  Re: Elon Musk is so not orginal. Ed Workman 03-26-2016 - 10:18
  Re: Elon Musk is so not orginal. Edward 03-26-2016 - 16:44
  Re: Elon Musk is so not orginal. Ed Workman 03-26-2016 - 18:17
  Re: Elon Musk is so not orginal. Edward 03-26-2016 - 23:24


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