Granted Patent
Utility
US 5,222,423 · App. 07/864,378
Overlap cam
Inventor:
Michel J. Wadzinski
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Apr 6, 1992
Inventor
Michel J. Wadzinski
Assignee (at issue)
Appleton Papers 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.