Granted Patent
Utility
US 4,308,252 · App. 06/090,025
Dentifrice composition
Inventors:
George Tomaich, George E. Richmond, Noel O. Nuessle
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Oct 31, 1979
Inventors
George Tomaich
George E. Richmond
Noel O. Nuessle
Assignee (at issue)
Young Dental Manufacturing Company 1, LLC
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.