Granted Patent
Utility
US 6,564,571 · App. 09/907,324
High availability energy
Inventor:
Edward K. Feeney
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jul 17, 2001
Inventor
Edward K. Feeney
Assignee (at issue)
Liebert Corporation
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.