Granted Patent
Utility
US 6,561,808 · App. 09/965,418
Method and tools for oral hygiene
Inventor:
Wolfgang Neuberger
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Sep 27, 2001
Inventor
Wolfgang Neuberger
Assignee (at issue)
CeramOptec Industries Inc.
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.