Granted Patent
Utility
US 6,495,613 · App. 09/623,367
Self-defining plastics and the use thereof in dentistry and dental technology
Inventor:
Bernd Gangnus
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Sep 1, 2000
Inventor
Bernd Gangnus
Assignee (at issue)
ESPE Dental 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.