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A comment on Patent troll says it owns GPS, sues Foursquare. Parent comment

Re:Patent troll says it owns GPS, sues Foursquare by propercoil on Friday July 27, 2012 @02:38PM (#4302919)
oh there is prior art. the military used GPS way before 2000
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Re:Patent troll says it owns GPS, sues Foursquare by pjscott on Friday July 27, 2012 @02:48PM (#4302989)
The patents aren't on GPS; they're on obvious uses of GPS. (In both cases, the entire technical value of the patent could fit in a single Tweet.)
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