Granted Patent
Utility
US 5,199,798 · App. 07/825,950
Bearing with tapered lands
Inventor:
James S. Porter
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Jan 27, 1992
Inventor
James S. Porter
Assignee (at issue)
McGill Manufacturing 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.