Granted Patent
Utility
US 5,221,346 · App. 07/761,475
Carton seam edge sealant applying apparatus and process
Inventor:
Nestor A. Anderson
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Sep 18, 1991
Inventor
Nestor A. Anderson
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.