Granted Patent
Utility
US 6,682,227 · App. 10/278,202
Rolling bearing component
Inventors:
Karl-Ludwig Grell, Gunter Grube, Leo Muntnich
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Oct 22, 2002
Inventors
Karl-Ludwig Grell
Gunter Grube
Leo Muntnich
Assignee (at issue)
INA Wälzlager Schaeffler oHG
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.