Granted Patent
Utility
US 6,464,818 · App. 09/469,683
Method of wasteless punching of adhesive punched items
Inventors:
Reiner Schulze, Dieter Tichelmann
Patented Case
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Granted: Oct 15, 2002
Filed: Dec 22, 1999
Inventors
Reiner Schulze
Dieter Tichelmann
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.