Granted Patent
Utility
US 6,148,940 · App. 08/923,483
AC motorized wheel arrangement
Inventors:
Paul Robert Hokanson, Michael Doud Leisenring, Maurice Frank Dalton
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Sep 4, 1997
Inventors
Paul Robert Hokanson
Michael Doud Leisenring
Maurice Frank Dalton
Assignee (at issue)
General Electric Company
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.