Granted Patent
Utility
US 6,648,519 · App. 10/157,068
Rolling bearing cage
Inventors:
Wolfgang Fugel, Alexander Reimchen, Leo Muntnich
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: May 29, 2002
Inventors
Wolfgang Fugel
Alexander Reimchen
Leo Muntnich
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.