Challenged claims of Lone Star SCM Systems Ltd.'s patent directed to an interrogator, method of discerning metal and radio frequency identification objects, and an interrogation system employing the same, are unpatentable as anticipated by and obvious over prior art, the Patent Trial and Appeal Board said, in an inter partes review by Zebra Technologies Corp. The board determined that the challenged claims are anticipated by and obvious over various combinations of prior art, including prior art that pertains to RFID devices and applications for such devices, pertains to location and position identification of mobile and stationary assets, and relates to ...
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