Company Filing History:
1 out of 9 
1 out of 2,439 
Years Active: 1990-1991
Title: David D McCoach: Innovator in Processor Technology
Introduction
David D McCoach is a notable inventor based in West Chester, PA (US). He has made significant contributions to the field of processor technology, holding two patents that showcase his innovative approach to programmable units.
Latest Patents
His latest patents include "Programmable data path width in a programmable unit having plural levels" and "Programmable unit having plural levels of subinstruction sets." The first patent describes a processor with two levels of subinstructions, allowing the data bus to be selectable as either a 16-bit or 32-bit wide bus under nanoprogram control. The second patent outlines a processor that features two levels of subinstructions, with each level stored in its own memory. The lower level memory contains a limited set of instructions, while additional instructions are supplied by the code stream from the upper level memory.
Career Highlights
David has had a distinguished career, working for Unisys Corporation, which was formerly known as Burroughs Corporation. His work at Unisys has allowed him to develop and refine his innovative ideas in processor technology.
Collaborations
Throughout his career, David has collaborated with various professionals, including his coworker Thomas R Woodward. Their joint efforts have contributed to advancements in the field.
Conclusion
David D McCoach's contributions to processor technology through his patents and career at Unisys Corporation highlight his role as an influential inventor. His work continues to impact the industry and inspire future innovations.