Granted Patent
Utility
US 6,043,681 · App. 09/378,777
CMOS I/O circuit with high-voltage input tolerance
Inventor:
Peter J. Lim
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Aug 20, 1999
Inventor
Peter J. Lim
Assignee (at issue)
Oak Technology, 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.