Granted Patent
Utility
US 6,516,876 · App. 09/935,304
Running tool for soft landing a tubing hanger in a wellhead housing
Inventor:
Charles E. Jennings
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Aug 22, 2001
Inventor
Charles E. Jennings
Assignee (at issue)
ABB Vetco Gray Inc.
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.