Granted Patent
Utility
US 5,650,742 · App. 08/413,074
Voltage-level shifter
Inventor:
Hiroshige Hirano
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Mar 29, 1995
Inventor
Hiroshige Hirano
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.