Granted Patent
Utility
US 6,830,381 · App. 10/187,531
Axial roller bearing
Inventors:
Charles Schwab, J. Kevin Brown
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jul 2, 2002
Inventors
Charles Schwab
J. Kevin Brown
Assignee (at issue)
Ina Schaeffler KG
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.