73019945
Apr 26, 1974
Jun 17, 1975
COMPUTER HARDWARE-NAMELY, COMPUTER TERMINALS, COMPUTER MEMORIES, MAGNETIC TAPE DRIVES AND CONTROLLERS, MAGNETIC DISC DRIVES AND CONTROLLERS, PARTS AND ACCESSORIES THEREFOR, COMPUTER TO COMPUTER AND COMPUTER TO TERMINAL INTERFACING UNITS, AND INTERFACING ELECTRICAL CIRCUITRY
Electrical and Scientific Apparatus