Granted Patent
Utility
US 5,141,108 · App. 07/607,123
Core retaining carton
Inventor:
Harry I. Roccaforte
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Oct 31, 1990
Inventor
Harry I. Roccaforte
Assignee (at issue)
Waldorf 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.