Granted Patent
Utility
US 5,839,765 · App. 08/742,468
Metal seal ring for tubular joint
Inventors:
Robert Hansbrough Carter, William M. Taylor, Gerald S. Baker
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Nov 1, 1996
Inventors
Robert Hansbrough Carter
William M. Taylor
Gerald S. Baker
Assignee (at issue)
Cooper Cameron Corporation
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.