Granted Patent
Utility
US 6,723,405 · App. 09/382,284
Adhesive tape and its use
Inventors:
Dieter Zimmermann, Harald Kehler, Walter A. Schulze
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Aug 24, 1999
Inventors
Dieter Zimmermann
Harald Kehler
Walter A. Schulze
Assignee (at issue)
tesa AG
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.