Granted Patent
Utility
US 6,769,912 · App. 10/167,594
Device for producing a dental replacement part
Inventors:
Martin Beuschel, Erich Huber, Erich Sendelbach, Olaf Schafer
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jun 13, 2002
Inventors
Martin Beuschel
Erich Huber
Erich Sendelbach
Olaf Schafer
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.