Judge Finds No Patents Infringed In TAWS Case

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A federal court ruled last week that Sandel Avionics does not infringe on any of Honeywell's Terrain Awareness and Warning System (TAWS) patents, according to a news release from Sandel. Honeywell had alleged that Sandel Avionics Inc. and several other companies infringed Honeywell's patents relating to its Enhanced Ground Proximity Warning System (EGPWS), Honeywell's version of TAWS. Honeywell filed the case in May 2002. The FAA had earlier issued a mandate requiring most turbine aircraft to install an FAA-certified TAWS by March 29, 2005.