Granted Patent
Utility
US 5,659,216 · App. 08/308,354
Rotor cup having a rolled lower edge for segmented permanent magnet motors
Inventor:
Denis J. Bisantz
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Sep 19, 1994
Inventor
Denis J. Bisantz
Assignee (at issue)
Ametek, 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.