Granted Patent
Utility
US 4,840,277 · App. 07/206,423
Packing device having support tab
Inventor:
Charles Waldner
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Jun 14, 1988
Inventor
Charles Waldner
Assignee (at issue)
United Foam Plastics
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.