Granted Patent
Utility
US 6,234,489 · App. 09/245,515
Bearing isolator
Inventors:
David C. Orlowski, Thomas D. Coe
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Feb 5, 1999
Inventors
David C. Orlowski
Thomas D. Coe
Assignee (at issue)
Isotech of Illinois, Inc.
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.