Granted Patent
Utility
US 6,065,332 · App. 08/852,007
Method and apparatus for sensing and displaying torsional vibration
Inventor:
John McEwen Dominick
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: May 6, 1997
Inventor
John McEwen Dominick
Assignee (at issue)
Halliburton Energy Services, 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.