Granted Patent
Utility
US 5,853,316 · App. 08/874,052
Method of and apparatus for grinding control edges of a control bush
Inventors:
Ludwig Kern, André Kuckuk, Paul G. Katona
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Jun 12, 1997
Inventors
Ludwig Kern
André Kuckuk
Paul G. Katona
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.