Granted Patent
Utility
US 6,544,639 · App. 09/391,995
Adhesive tape strip
Inventors:
Bernd Lühmann, Thorsten Krawinkel
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 9, 1999
Inventors
Bernd Lühmann
Thorsten Krawinkel
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.