USB Billboard v1.21Adopters Agreement Device Class Document

This document is an Adopters Agreement for the USB Billboard v1.21 Device Class. The purpose of this agreement is to outline the terms and conditions for accessing and using the specifications of the USB Billboard v1.21 Device Class. The document includes information on the licensing, patents, and trademarks associated with the USB Billboard v1.21 Device Class. It also provides guidelines for the proper use of the USB Billboard v1.21 Device Class specifications.