Granted Patent
Utility
US 4,589,899 · App. 06/668,246
Sealing glass
Inventor:
Carl J. Hudecek
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Nov 5, 1984
Inventor
Carl J. Hudecek
Assignee (at issue)
Owens-Illinois Inc.
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.