Granted Patent
Utility
US 6,280,840 · App. 09/294,856
Adhesive tape
Inventors:
Bernd Lühmann, Andreas Junghans
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Apr 20, 1999
Inventors
Bernd Lühmann
Andreas Junghans
Assignee (at issue)
BEIERSDORF 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.