1
Celtruda Joseph Orazio, Crosthwait William Russell, Earle John Goodell, Fennel Jr John Wenard, Henderson Roy Francis: Apparatus and method for serializing instructions from two independent instruction streams. International Business Machines Corporation, November 6, 1973: US3771138 (114 worldwide citation)

In a pipelined processing unit of a digital computer, an apparatus for sharing the processing capability of the computer between two independent instruction streams is disclosed. The apparatus includes a buffer for instructions of each of the independent instruction streams. These buffers are connec ...


2
Fennel Jr John Wenard: Instruction selection in a two-program counter instruction unit. International Business Machines Corporation, April 17, 1973: US3728692 (23 worldwide citation)

In an instruction handling unit specifically designed for pipeline processing of instructions an apparatus is disclosed which allows the instruction handling unit to process simultaneously computer instructions from two different programs. The apparatus employed for sharing the instruction unit proc ...