Granted Patent
Utility
US 5,657,615 · App. 08/545,897
Spacing conveyor mechanism
Inventor:
Rolf Muller
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Oct 20, 1995
Inventor
Rolf Muller
Assignee (at issue)
Riverwood International Corporation
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.