Granted Patent
Utility
US 5,664,211 · App. 08/318,510
Null convention threshold gate
Inventors:
Gerald E. Sobelman, Karl M. Fant
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Oct 5, 1994
Inventors
Gerald E. Sobelman
Karl M. Fant
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.