Granted Patent
Utility
US 5,630,308 · App. 08/270,782
Laser scoring of packaging substrates
Inventor:
Anthony C. Guckenberger
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Jul 5, 1994
Inventor
Anthony C. Guckenberger
Assignee (at issue)
American National Can Company
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.