Granted Patent
Utility
US 5,815,391 · App. 08/820,574
Current sensing circuit for pulse width modulated motor drive
Inventor:
Brian R. Pelly
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Mar 19, 1997
Inventor
Brian R. Pelly
Assignee (at issue)
International Rectifier 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.