Granted Patent
Utility
US 6,419,078 · App. 09/806,750
Lubricating device for conveyor systems
Inventor:
Michael E. Leathers
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Apr 3, 2001
Inventor
Michael E. Leathers
Assignee (at issue)
Frost Links, 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.