EMPLOYMENT AGREEMENT This AGREEMENT (the "Agreement") is made as of December 4, 1996 (the "Effective Date"), by and between Endogen, Inc., a corporation with its headquarters located in Woburn, Massachusetts (the "Employer"), and Avery W. Catlin (the...Employment Agreement • August 8th, 1997 • Endogen Inc • In vitro & in vivo diagnostic substances • Massachusetts
