Granted Patent
Utility
US 6,522,164 · App. 09/949,703
Switching circuit
Inventor:
William Barnes
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Sep 10, 2001
Inventor
William Barnes
Assignee (at issue)
STMICROELECTRONICS, 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.