Granted Patent
Utility
US 5,476,384 · App. 08/191,663
Dentifrice/Medication dispensing toothbrush
Inventors:
David Giuliani, Roy W. Martin
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Feb 4, 1994
Inventors
David Giuliani
Roy W. Martin
Assignee (at issue)
Optiva, 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.