Granted Patent
Utility
US 5,641,281 · App. 08/560,736
Lubricating means for a gear pump
Inventors:
Charles R. Russell, Fernie E. Williams
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Nov 20, 1995
Inventors
Charles R. Russell
Fernie E. Williams
Assignee (at issue)
LCI 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.