Granted Patent
Utility
US 6,589,648 · App. 09/318,849
Material coil, especially strapping material coil
Inventor:
Karl Schurig
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: May 26, 1999
Inventor
Karl Schurig
Assignee (at issue)
Signode Bernpak GmbH
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.