Exhibit 10.20 OFFICE LEASE AGREEMENT STATE OF TEXAS COUNTY OF DALLAS THIS LEASE AGREEMENT made and entered into as of the 14th day of November 2000, by and between the Landlord and Tenant hereinafter named. W I T N E S S E T H: 1. Definitions and...Office Lease Agreement • March 28th, 2001 • Sonus Networks Inc • Services-computer integrated systems design
WITNESSETH:Office Lease Agreement • July 1st, 1997 • Friedman Industries Inc • Steel works, blast furnaces & rolling & finishing mills