Granted Patent
Utility
US 4,833,418 · App. 07/239,302
Compensation circuit for nullifying differential offset voltage and regulating common mode voltage of differential signals
Inventors:
John J. Quintus, Michael S. Sheehan
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Sep 1, 1988
Inventors
John J. Quintus
Michael S. Sheehan
Assignee (at issue)
Archive Corporation
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.