Granted Patent
Utility
US 4,551,780 · App. 06/241,545
Apparatus for reducing subsynchronous frequencies in a power supply
Inventor:
Muzaffer Canay
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Mar 9, 1981
Inventor
Muzaffer Canay
Assignee (at issue)
BBC Brown, Boveri & Company Ltd.
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.