Granted Patent
Utility
US 5,887,982 · App. 08/877,598
Bearing assembly for use with a submerged apparatus and method for performing maintenance thereon
Inventor:
Stephen B. Wilcher
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jun 17, 1997
Inventor
Stephen B. Wilcher
Assignee (at issue)
U.S. Filter Wastewater Group, 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.