Granted Patent
Utility
US 6,662,932 · App. 10/336,928
Chain and flight conveyor with swivel links
Inventor:
Michael L. O'Neill
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Jan 6, 2003
Inventor
Michael L. O'Neill
Assignee (at issue)
Joy MM Delaware, 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.