Granted Patent
Utility
US 4,723,202 · App. 07/034,260
Converter-fed AC machine without damper winding
Inventor:
Gabor Kalman
Patented Case
View Patent ↗
Granted: Feb 2, 1988
Filed: Apr 2, 1987
Inventor
Gabor Kalman
Assignee (at issue)
Garrett 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.