Granted Patent
Utility
US 5,000,587 · App. 07/487,132
Bearing assembly and auxiliary bearing seal
Inventor:
Erwin T. Hawley
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Mar 2, 1990
Inventor
Erwin T. Hawley
Assignee (at issue)
Link-Belt Bearings Division of Rexnord Corporation
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.