EXHIBIT 10.21 EXCLUSIVE LICENSE AGREEMENT THIS AGREEMENT is by and between DENTAL/MEDICAL DIAONOSTIC SYSTEMS, INC., ("DMD") a corporation having a principal place of business in Westlake Village, California, and CHRYSALIS DENTAL, INC., ("CDI") a...Exclusive License Agreement • May 7th, 1999 • Dental Medical Diagnostic Systems Inc • Dental equipment & supplies
