Granted Patent
Utility
US 5,720,355 · App. 08/548,225
Drill bit instrumentation and method for controlling drilling or core-drilling
Inventors:
Etienne Lamine, Pierre Stassain, Kees Langeveld, Michael S. Bittar, Paul F. Rodney
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Oct 25, 1995
Inventors
Etienne Lamine
Pierre Stassain
Kees Langeveld
Michael S. Bittar
Paul F. Rodney
Assignee (at issue)
Baroid Technology, 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.