Granted Patent
Utility
US 6,700,974 · App. 09/397,413
Switching power supply for generating a ringing voltage
Inventor:
H. Ross Williams
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Sep 16, 1999
Inventor
H. Ross Williams
Assignee (at issue)
Conexant Systems, LLC
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.