Granted Patent
Utility
US 6,460,706 · App. 09/882,667
Disc screen apparatus with air manifold
Inventor:
Robert M. Davis
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jun 15, 2001
Inventor
Robert M. Davis
Assignee (at issue)
CP MANUFACTURING, 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.