Granted Patent
Utility
US 5,159,542 · App. 07/787,805
Selectable hysteresis controller for pulse width modulated inverter
Inventors:
John Michael Miller, John Grabowski
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Nov 4, 1991
Inventors
John Michael Miller
John Grabowski
Assignee (at issue)
Ford Motor Company
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.