Granted Patent
Utility
US 6,549,440 · App. 09/908,990
AC power supply apparatus and methods providing output control based on estimated instantaneous reactive power
Inventors:
Frederick Tassitino, Pasi Taimela
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jul 19, 2001
Inventors
Frederick Tassitino
Pasi Taimela
Assignee (at issue)
Powerware 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.