Granted Patent
Utility
US 6,361,762 · App. 09/862,135
Prebrushing liquid oral composition
Inventor:
William H. Hofmann
Patented Case
View Patent ↗
Granted: Mar 26, 2002
Filed: May 21, 2001
Inventor
William H. Hofmann
Assignee (at issue)
Vi-Jon Laboratories, 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.