Granted Patent
Utility
US 5,455,526 · App. 08/288,442
Digital voltage shifters and systems using the same
Inventor:
Michael E. Runas
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Aug 10, 1994
Inventor
Michael E. Runas
Assignee (at issue)
Cirrus Logic 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.