EXHIBIT 10.6 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (the "Agreement") is made and entered into as of August 22, 1997 by and between SALIVA DIAGNOSTIC SYSTEMS, INC., a Delaware corporation (the "Company"), and DAVID FREUND...Registration Rights Agreement • September 26th, 1997 • Saliva Diagnostic Systems Inc • Surgical & medical instruments & apparatus • Delaware
1 EXHIBIT 10.5 COMMON STOCK SUBSCRIPTION AGREEMENT OF SALIVA DIAGNOSTIC SYSTEMS, INC. THIS COMMON STOCK SUBSCRIPTION AGREEMENT (the "Agreement") is made and entered into as of this 22nd day of August, 1997 by and between SALIVA DIAGNOSTIC SYSTEMS,...Common Stock Subscription Agreement • September 26th, 1997 • Saliva Diagnostic Systems Inc • Surgical & medical instruments & apparatus • Delaware
