Granted Patent
Utility
US 5,318,137 · App. 07/965,345
Method and apparatus for adjusting the position of stabilizer blades
Inventors:
Harold D. Johnson, Charles H. Dewey, Lance D. Underwood
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Oct 23, 1992
Inventors
Harold D. Johnson
Charles H. Dewey
Lance D. Underwood
Assignee (at issue)
Halliburton
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.