Granted Patent
Utility
US 5,994,793 · App. 09/075,739
Uninterruptible power supply with plurality of inverters
Inventor:
Howard H. Bobry
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: May 11, 1998
Inventor
Howard H. Bobry
Assignee (at issue)
Multipower, 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.