Granted Patent
Utility
US 5,836,406 · App. 08/882,798
Adjustable stabilizer for directional drilling
Inventor:
Frank J. Schuh
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Jun 26, 1997
Inventor
Frank J. Schuh
Assignee (at issue)
TeleJet Technologies, 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.