Granted Patent
Utility
US 4,848,612 · App. 07/275,271
Hinged dispensing closure
Inventor:
James M. Beck
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Nov 23, 1988
Inventor
James M. Beck
Assignee (at issue)
Creative Packaging Corp.
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.