Granted Patent
Utility
US 6,422,372 · App. 09/775,957
Roller conveying apparatus
Inventor:
Matthew J. Ransil
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Feb 2, 2001
Inventor
Matthew J. Ransil
Assignee (at issue)
Morgan Co., Ltd.
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.