Granted Patent
Utility
US 5,557,152 · App. 08/459,635
2-Pole single or dual coil moving magnet motor with moving back iron
Inventor:
Raymond G. Gauthier
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Jun 2, 1995
Inventor
Raymond G. Gauthier
Assignee (at issue)
Seagate Technology LLC
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.