Ramtek Corporation

Ramtek Corporation was a California-based manufacturer of computer display terminals founded in 1971. Co-founders Charles E. McEwan and John W. Metzler had previously worked together at the computer graphics division of Data Disc, Inc., and founded Ramtek to create devices for displaying information from computer systems. Their major business was in medical monitors, as well as creating high-end graphical terminals for industrial and academic use. In 1973, they became one of the earliest manufacturers of video games, and manufactured coin-operated games until 1979. They became a publicly traded company starting in 1979. In 1981, it was reported Ramtek was the top company in the field of raster graphics display terminals.