Granted Patent
Utility
US 5,951,020 · App. 08/802,123
Bearing isolator
Inventor:
David C. Orlowski
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Feb 19, 1997
Inventor
David C. Orlowski
Assignee (at issue)
InPro 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.