Granted Patent
Utility
US 5,341,047 · App. 07/991,094
Level shifter circuit
Inventor:
Bruce David Rosenthal
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Dec 16, 1992
Inventor
Bruce David Rosenthal
Assignee (at issue)
Elantec, 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.