definiens: ), the owner of certain Licensed Patents ( ( defined below ), and Seller desires to grant to Buyer an express, limited license to the Licensed Patents on the following terms and effective upon the date of delivery of the Instrument ( the ): a ) Definitions . shall mean the particular Endeavor ® instrument as sold by Seller to Buyer, without modification, or enhanc, ement affecting the functional performance capabilities thereof, without software integration with other instruments or systems, and without physical integration with other instruments or systems affecting the functional performance capabilities of the Endeavor instrument . shall mean U.S. Patent No . 6,306,658 and foreign patents issuing therefrom, as well as U.S. and foreign patents issuing from the following patent applications : US 09/177,170 ; US 091239,223 ; US 09/548,848 ; US 091724,276 ; US 09/723,926 ; US 091724,275 ; US 09/961,641 ; US 09/417,125 ; divisionals, ' substitutions, continuations, continuations - in - part ( only to the extent such continuations - in - partclaim the same subject matter that was disclosed inaI ! application listed above ) and re - issues and re - examinations to one or more of the foregoing ; and other patent applications or patents designated in writing from time to time by Seller . shall mean the following U.S. patents and corresponding foreign counterparts thereof : US5,985, 356 ; US 6,004,617 ; US 6,030,917 ; US 6,248,540 ; and other patents designat()d in writingfrpm time to time, by Seller . shall mean the bona fide purchaser for value of an Instrunlerit ' from Seller . shall mean the period extending from the Effective Date to the date of expiration of the last - to - expire of the Licensed Patents