Granted Patent
Utility
US 6,329,783 · App. 09/475,687
Apparatus for continuously variable speed electric motor applications
Inventors:
Nickolas G. Vrionis, Ronald L. Eichorn
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Dec 30, 1999
Inventors
Nickolas G. Vrionis
Ronald L. Eichorn
Assignee (at issue)
Gas Research Institute
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.