Granted Patent
Utility
US 5,319,571 · App. 07/980,650
UPS system with improved network communications
Inventors:
Dale R. Langer, G. John Messer
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Nov 24, 1992
Inventors
Dale R. Langer
G. John Messer
Assignee (at issue)
Exide Electronics 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.