Granted Patent
Utility
US 6,508,641 · App. 09/601,517
Device for processing a strip of material with ultrasound
Inventor:
Klaus Kubik
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Oct 2, 2000
Inventor
Klaus Kubik
Assignee (at issue)
Eduard Kusters Maschinefabrik GmbH & Co. KG
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.