Granted Patent
Utility
US 6,573,309 · App. 09/914,555
Heat-curable, thermally expandable moulded park
Inventors:
Dirk Reitenbach, Xaver Muenz
Patented Case
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Granted: Jun 3, 2003
Filed: Aug 31, 2001
Inventors
Dirk Reitenbach
Xaver Muenz
Assignee (at issue)
Henkel-Teroson GmbH
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.