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#12
02-07-2010, 06:51 AM
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It was my understanding that the patent was approved. Maybe it was for a shorter period than the usual 20 years. There was an application in 2003, then another in 2004 which apparently was approved in 2007. I think that was the time that PFO was forced out of business. Without going through the documents, there must be a valid reason for the continuation of the applications.
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