Granted Patent
Utility
US 5,767,591 · App. 08/709,578
Method and apparatus for providing startup power to a genset-backed uninterruptible power supply
Inventor:
Joseph F. Pinkerton
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Sep 9, 1996
Inventor
Joseph F. Pinkerton
Assignee (at issue)
Active Power, 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.