Granted Patent
Utility
US 4,459,217 · App. 06/304,158
Denture cleansing compositions
Inventor:
David K. Bogie
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Sep 21, 1981
Inventor
David K. Bogie
Assignee (at issue)
Reckitt & Colman Products Limited
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.