Granted Patent
Utility
US 6,142,674 · App. 09/315,642
Ball bearing for high rotational speeds
Inventor:
Oswald Bayer
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: May 20, 1999
Inventor
Oswald Bayer
Assignee (at issue)
FAG Aircraft / Super precision Bearings 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.