Granted Patent
Utility
US 5,047,657 · App. 07/402,002
Integrated circuit comprising a signal level converter
Inventors:
Evert Seevinck, Jan Dikken, Hans-Jurgen O. Schumacher
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Sep 1, 1989
Inventors
Evert Seevinck
Jan Dikken
Hans-Jurgen O. Schumacher
Assignee (at issue)
U.S. Philips Corporation
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.