21 DIGITAL CONTROL LOGIC MODULES INCLUDING SIGNAL LEVEL CONVERTERS, DIGITAL SIGNAL GATING CIRCUITS AND DIGITAL SIGNAL STORAGE CIRCUITS, AND ELECTRICAL SIGNAL DISPLAY APPARATUS
26 COMPUTERIZED SYSTEM FOR CONTROLLING VEHICLE MOVEMENT OVER A PROGRAMMED ROUTE
THE DRAWING IS LINED FOR THE COLORS RED, YELLOW AND GREEN.
Trademark Events
Aug 28, 1995
Expired Sec. 9
Feb 23, 1981
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.