Granted Patent
Utility
US 6,318,560 · App. 09/785,830
Removable disc construction for disc screen apparatus
Inventor:
Robert M. Davis
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Feb 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.