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Apr 21, 2013 at 14:02 comment added Ron J. To get a more detailed (and on-topic) picture, try posting a separate thread calling for prior art on one of the patent #s given below.
Mar 27, 2013 at 23:14 review First posts
Apr 2, 2013 at 15:28
Mar 22, 2013 at 0:05 answer added George White timeline score: 2
Mar 21, 2013 at 21:52 history asked Craig Costanzo CC BY-SA 3.0