In a final written decision of an inter partes review under the America Invents Act (AIA), the United States Patent and Trademark Office's (USPTO) Patent Trial and Appeal Board (PTAB) stated that True Position Inc.'s (device locator) patent - 7,783,299, which describes a system for locating wireless devices in an emergency, is invalid in light of three prior art references. US patent 7,783,299 covers monitoring links in a wireless network, and triggering network events detected on those links. The technology…