Granted Patent
Utility
US 4,588,465 · App. 06/464,120
Method for forming a sealed container
Inventor:
Walter J. Paciorek
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: Feb 4, 1983
Inventor
Walter J. Paciorek
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.