Granted Patent
Utility
US 4,800,294 · App. 07/147,484
Pin driver circuit
Inventor:
Keith A. Taylor
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Jan 25, 1988
Inventor
Keith A. Taylor
Assignee (at issue)
Tektronix, 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.