1978 Dr. Goldberg filed a patent under the name "Hardware virtualizer for supporting recursive virtual computer systems on a host computer system" (Patent Nr. 4253145) which was accepted 1981 and is held by Honeywell Information Systems Inc [REF].
In 1975 Dr. Goldberg together with Dr. Jeffrey Buzen and Dr. Harold Schwenk (whose last names are represented in the initials of the company) founded a company called "BGS Systems, Inc." in the basement of Buzen's Lexington, Mass.