Granted Patent
Utility
US 6,767,935 · App. 10/048,943
Adhesive systems
Inventors:
Thomas Luchterhandt, Rainer Guggenberger, Hendrik Grupp
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jun 17, 2002
Inventors
Thomas Luchterhandt
Rainer Guggenberger
Hendrik Grupp
Assignee (at issue)
3M ESPE 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.