Granted Patent
Utility
US 5,664,212 · App. 08/220,636
NULL convention logic system
Inventors:
Karl M. Fant, Scott A. Brandt
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Mar 31, 1994
Inventors
Karl M. Fant
Scott A. Brandt
Assignee (at issue)
Theseus Research, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.