Interesting sounding gadget. Stephen Russo obviously put a great deal of effort into it. Has anyone seen a prototype? Regards, Fred Sturm University of New Mexico fssturm at unm.edu On Jan 15, 2009, at 3:25 PM, David Ilvedson wrote: > I searched the US Patent Office for > Patent 7122728 > > Lots of stuff...check it out -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut_ptg.org/attachments/20090117/e9b5f50f/attachment.html>
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