Granted Patent
Utility
US 4,953,284 · App. 07/432,500
Method for retaining a magnet within a motor assembly
Inventors:
Joe K. Hammer, Alan H. Fitzsimmons, Hans Greutmann
Patented Case
View Patent ↗
Granted: Sep 4, 1990
Filed: Dec 1, 1989
Inventors
Joe K. Hammer
Alan H. Fitzsimmons
Hans Greutmann
Assignee (at issue)
Prestolite Electric Ltd.
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.