Granted Patent
Utility
US 6,071,487 · App. 09/116,337
Method of manufacturing a silica powder
Inventors:
Jean-Florent Campion, Jacques Goudeau, Jean-François Chariot, Christelle Lavallade
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Jul 16, 1998
Inventors
Jean-Florent Campion
Jacques Goudeau
Jean-François Chariot
Christelle Lavallade
Assignee (at issue)
ALCATEL
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.