1 EXHIBIT 10.20 ATVEF ADOPTER LICENSE AGREEMENT This is a patent and copyright license agreement among parties wishing to adopt the Advanced Television Enhancement Forum Specification. As used in this Agreement: 1. DEFINITIONS 1.1 The "Founders" are...Atvef Adopter License Agreement • June 8th, 1999 • Wink Communications Inc • Radio & tv broadcasting & communications equipment • New York
