Granted Patent
Utility
US 5,628,232 · App. 08/242,647
Flywheel rotor with conical hub and methods of manufacture therefor
Inventors:
Daniel Bakholdin, Robert W. Bosley, Harold A. Rosen, William Grayer
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: May 13, 1994
Inventors
Daniel Bakholdin
Robert W. Bosley
Harold A. Rosen
William Grayer
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.