In this video, the LabMate robot system by Transition Research Corporation (TRC) is presented with its sonar-based localization systems. Joseph F. Engelberger, considered by many to be the “Father of Robotics,” founded TRC. Engelberger wrote a book about service robotics in 1969, and TRC was part of his vision to deliver a generation of service robots. The LabMate platform is a differential drive robot used by many U.S. laboratories for early research in mobile robotics. Additionally, the LabMate platform was also used as the base for the HelpMate platform for hospital logistics, a system that was delivered to a number of hospitals. This video presents both the basis of the platform and the associated system for ultrasonic based perception for mapping and collision avoidance.