Granted Patent
Utility
US 6,612,079 · App. 10/120,431
Clarifier cover
Inventors:
Claude J. DeGarie, Brent M. Howe, Brian MacLean
Patented Case
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Granted: Sep 2, 2003
Filed: Apr 12, 2002
Inventors
Claude J. DeGarie
Brent M. Howe
Brian MacLean
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.