Granted Patent
Utility
US 5,770,909 · App. 08/764,589
Wound rotor synchronous motor-generator and field control system therefor
Inventors:
Harold A. Rosen, Brian Rise Hamann Jensen, Thomas Hudspeth
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Dec 13, 1996
Inventors
Harold A. Rosen
Brian Rise Hamann Jensen
Thomas Hudspeth
Assignee (at issue)
Rosen Motors, L.P.
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.