Granted Patent
Utility
US 5,990,705 · App. 08/868,523
CMOS I/O circuit with high-voltage input tolerance
Inventor:
Peter J. Lim
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Jun 4, 1997
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.