Granted Patent
Utility
US 6,278,251 · App. 09/388,263
Permanent magnetically excited electrical rotary drive
Inventor:
Reto Schöb
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Sep 1, 1999
Inventor
Reto Schöb
Assignees (at issue)
Sulzer Electronics AG
Lust Antriebstechnik GmbH
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.