Granted Patent
Utility
US 6,405,154 · App. 09/473,663
Method and apparatus for power electronics health monitoring
Inventor:
Michael John Ryan
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Dec 29, 1999
Inventor
Michael John Ryan
Assignee (at issue)
General Electric Company
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.