definiens: ), the owner of certain Licensed Patents ( ( defined below ), and Seller desires togrant to Buyer an express, limited license on the following terms and effectiveupon the date of delivery of the Instrument ( the ): a)Definitions . shall mean the Endeavor(TM ) instrument as soldby Seller to Buyer, without modification or enhancement affecting the functionalperformance capabilities thereof, without software integration with otherinstruments or systems, and without physical integration with other instrumentsor systems affecting the functional performance capabilities of the Endeavorinstrument . shall mean U.S. Patent No . 6,306,658 as well asU.S. and foreign patents issuing from the following patent applications : WOOO/09255 ; US 09/177,170 ; IS 09/417,125 ; US 09/239,223 ; applications claimingpriority to one or more of the foregoing ; and other patent applications orpatents designated in writing from time to time by Seller . shall mean the following U.S. patents and corresponding foreign patents thereof : US 5,985,356 ; US 6,004,617 ; US 6,030,917 ; US 6,248,540 ; and EP 978499 ; EP985678 ; and EP 983983, and other patents designated in writing from time to timeby Seller . shall mean the bona fide purchaser for value of an Instrumentfrom Seller . shall mean the period extending from the Effective Date tothe date of expiration of the last - to - expire of the Licensed Patents