Granted Patent
Utility
US 6,664,680 · App. 10/026,568
Flywheel device with active magnetic bearings
Inventor:
Christopher W. Gabrys
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Dec 20, 2001
Inventor
Christopher W. Gabrys
Assignee (at issue)
Indigo Energy, 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.