Granted Patent
Utility
US 6,623,221 · App. 09/827,320
Articulated milling arm for a dental milling instrument
Inventors:
Gerd Schostek, Hartmut Brinkmann, Klaus-Dietrich Lingemann, Otto Finke
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Apr 6, 2001
Inventors
Gerd Schostek
Hartmut Brinkmann
Klaus-Dietrich Lingemann
Otto Finke
Assignee (at issue)
DeguDent 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.