NPE Status Practicing Entity Declaratory Judgment No See case in Lex Machina Civil Action 1:05-cv-00373 Filing Date Oct 21, 2005 Venue D.N.H. Termination Date Mar 30, 2009 US Patent No 4902871 5170033 5310988 5396043 5897795 5977510 6207923 6946617 7019255 Patent Asserters: Patent Asserter Hypertherm, Inc 8 Product company Alleged Infringers: American Torch Tip Company
