Granted Patent
Utility
US 6,783,444 · App. 09/999,308
Tool for machining surfaces in bores
Inventors:
Norbert Hessbruggen, Christoph Wernz
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Oct 31, 2001
Inventors
Norbert Hessbruggen
Christoph Wernz
Assignee (at issue)
Reinecker Kopp Werkzeugmaschinen 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.