Granted Patent
Utility
US 4,846,774 · App. 07/148,771
Rotary die cutting and laminating process and machine
Inventor:
Jerry L. Bell
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Jan 26, 1988
Inventor
Jerry L. Bell
Assignee (at issue)
Bernal Rotary Systems, 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.