Granted Patent
Utility
US 5,218,277 · App. 07/761,687
Controller for a linear induction motor
Inventors:
Larry Pattison, Greg Ducharme
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Sep 18, 1991
Inventors
Larry Pattison
Greg Ducharme
Assignee (at issue)
UTDC 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.