Granted Patent
Utility
US 6,513,345 · App. 09/869,506
Nozzle for supersonic gas flow and an inertia separator
Inventors:
Marco Betting, Theodoor Van Holten, Cornelis Antonie Tjeenk Willink, Johannes Miguel Henri Maria Van Veen
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Jun 28, 2001
Inventors
Marco Betting
Theodoor Van Holten
Cornelis Antonie Tjeenk Willink
Johannes Miguel Henri Maria Van Veen
Assignee (at issue)
SHELL OIL 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.