Granted Patent
Utility
US 6,176,623 · App. 09/391,706
Flange piloted drawn inverted roller bearing
Inventor:
Robert ZEIGLER
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Sep 8, 1999
Inventor
Robert ZEIGLER
Assignee (at issue)
The Torrington Company
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.