Granted Patent
Utility
US 6,595,294 · App. 09/719,979
Method and device for gas lifted wells
Inventors:
Morten Dalsmo, Lars Nøkleberg, Veslemøy Kristiansen, Kjetil Havre, Bård Jansen
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Apr 4, 2001
Inventors
Morten Dalsmo
Lars Nøkleberg
Veslemøy Kristiansen
Kjetil Havre
Bård Jansen
Assignee (at issue)
ABB RESEARCH LTD.
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.