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Your search returned 109 patents.
( 700/7 in Current US Classification )
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Patent IDTitleDate Filed
4228495 Multiprocessor numerical control system December 19, 1978
4215399 Special function control system for a dual microprocessor programmable process control system August 24, 1978
4215398 Dual microprocessor intelligent programmable process control system with communication link August 24, 1978
4215397 Automatic end-of-scan control system for a programmable process controller with expandable memory August 24, 1978
4215396 Intelligent programmable process control system August 24, 1978
4200936 Asynchronous bidirectional direct serial interface linking a programmable machine function controller and a numerical control August 17, 1976
4149235 Computer numerical control system for machine tool December 27, 1976
4138718 Numerical control system with downloading capability November 14, 1977
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