Granted Patent
Utility
US 4,799,722 · App. 07/118,935
Apparatus for transporting perforated objects
Inventor:
Francesco Marzinotto
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Nov 10, 1987
Inventor
Francesco Marzinotto
Assignee (at issue)
Ciba-Giegy 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.