Granted Patent
Utility
US 6,290,843 · App. 09/588,302
Oil sump with integral filter
Inventors:
Brian Thomas Lee, Edward Allen Covington
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Jun 7, 2000
Inventors
Brian Thomas Lee
Edward Allen Covington
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.