Granted Patent
Utility
US 5,809,054 · App. 08/866,297
Method for stabilizing an AC system against reactive-load fluctuations, and a power-factor correction device
Inventor:
Jan Oelscher
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: May 30, 1997
Inventor
Jan Oelscher
Assignee (at issue)
Concast Standard AG
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.