Granted Patent
Utility
US 4,964,563 · App. 07/362,767
Covering foils for windows and packing boxes provided with such windows
Inventor:
Francois Chaygneaud-Dupuy
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Jun 7, 1989
Inventor
Francois Chaygneaud-Dupuy
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.