Granted Patent
Utility
US 6,198,647 · App. 09/627,810
Twelve-phase transformer configuration
Inventors:
Dongsheng Zhou, Nickolay N. Guskov, Gary L. Skibinski
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Jul 28, 2000
Inventors
Dongsheng Zhou
Nickolay N. Guskov
Gary L. Skibinski
Assignee (at issue)
Rockwell Technologies, Inc.
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.