Granted Patent
Utility
US 6,470,965 · App. 09/649,075
Device for introducing a high pressure fluid into well head components
Inventor:
Colin David Winzer
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Aug 28, 2000
Inventor
Colin David Winzer
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.