Granted Patent
Utility
US 4,686,391 · App. 06/860,819
Fast-acting comparison circuit
Inventor:
Algird M. Gudaitis
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: May 8, 1986
Inventor
Algird M. Gudaitis
Assignee (at issue)
Genrad, 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.