73657605
Apr 27, 1987
Apr 19, 1988
COMPUTER HARDWARE-NAMELY, COAXIAL ADAPTERS, SYNCHRONOUS DATA-LINK CONTROL ADAPTERS AND SYNCHRONOUS DATA-LINK CONTROL WITH INTEGRATED MODEN ADAPTERS, COMPUTER PROGRAMS AND USER MANUALS SOLD AS A UNIT USED TO ENHANCE COMMUNICATIONS BETWEEN PERSONAL AND MAINFRAME COMPUTERS
Electrical and Scientific Apparatus