Granted Patent
Utility
US 5,886,069 · App. 08/854,024
Titanium dioxide particles having substantially discrete inorganic particles dispersed on their surfaces
Inventor:
John Davis Bolt
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: May 8, 1997
Inventor
John Davis Bolt
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.