Granted Patent
Utility
US 6,756,894 · App. 10/245,595
Remote monitoring system for uninterruptible power supply
Inventor:
Hisaaki Saitou
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Sep 18, 2002
Inventor
Hisaaki Saitou
Assignee (at issue)
MITSUBISHI ELECTRIC 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.