Inventor
GRUDOWSKI RAYMOND A
US9 patents
Patents
9 patentsUS4319338AMar 9, 1982
Industrial communications network with mastership determined by need
ALLEN BRADLEY CO157 citations98
US4442504AApr 10, 1984
Modular programmable controller
ALLEN BRADLEY CO176 citations97
US4521871AJun 4, 1985
Programmable controller with back-up capability
ALLEN BRADLEY CO103 citations95
US4404651ASep 13, 1983
Programmable controller for using coded I/O data technique
ALLEN BRADLEY CO45 citations92
US4254473AMar 3, 1981
Rack adapter for serially connected I/O interface racks
ALLEN BRADLEY CO36 citations92
US4165534AAug 21, 1979
Digital control system with Boolean processor
ALLEN BRADLEY CO52 citations91
US4200915AApr 29, 1980
Program loader for programmable controller
ALLEN BRADLEY CO29 citations81
US4455621AJun 19, 1984
Programmable controller with multiple functions
ALLEN BRADLEY CO26 citations78
US4104731AAug 1, 1978
Asynchronous coupling of data between a word-oriented I/O module and the memory of a programmable controller
ALLEN BRADLEY CO17 citations73