Granted Patent
Utility
US 6,184,593 · App. 09/363,530
Uninterruptible power supply
Inventor:
Aaron Jungreis
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Jul 29, 1999
Inventor
Aaron Jungreis
Assignee (at issue)
ABB Power T&D Company 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.