Granted Patent
Utility
US 4,723,112 · App. 06/909,653
Level shift circuit for differential signals
Inventors:
Calvin D. Diller, Donald D. Gladden
Patented Case
View Patent ↗
Granted: Feb 2, 1988
Filed: Sep 19, 1986
Inventors
Calvin D. Diller
Donald D. Gladden
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.