Granted Patent
Utility
US 6,294,083 · App. 09/474,064
Sump covering filter with bypass valve
Inventors:
Brian Thomas Lee, Edward Allen Covington
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Dec 29, 1999
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.