Granted Patent
Utility
US 5,643,054 · App. 08/610,711
Machine part with improved surface texture for rolling contact and/or sliding contact
Inventors:
Peter Bach, Ludwig Kern, Ernst Strian
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Mar 4, 1996
Inventors
Peter Bach
Ludwig Kern
Ernst Strian
Assignee (at issue)
INA-WALZLAGER 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.