Granted Patent
Utility
US 6,389,757 · App. 09/598,682
Clarifier cover
Inventor:
Claude J. DeGarie
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Jun 21, 2000
Inventor
Claude J. DeGarie
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.