Granted Patent
Utility
US 5,597,356 · App. 08/645,128
Sealing arrangement for a cardan spider bush
Inventor:
Guido Rieder
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: May 13, 1996
Inventor
Guido Rieder
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.