Granted Patent
Utility
US 6,537,634 · App. 09/732,450
Adhesive security tape for detecting unauthorized broaching of a package
Inventors:
Ulrich Otten, Dieter Wenninger, Stefan Rober, Thomas Scheubner
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Dec 6, 2000
Inventors
Ulrich Otten
Dieter Wenninger
Stefan Rober
Thomas Scheubner
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.