Granted Patent
Utility
US 6,622,803 · App. 09/896,020
Stabilizer for use in a drill string
Inventors:
Peter R. Harvey, Michael Janusz Woods, Steve Krase, Daniel E. Burgess, Mark Ellsworth Wassell
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jun 29, 2001
Inventors
Peter R. Harvey
Michael Janusz Woods
Steve Krase
Daniel E. Burgess
Mark Ellsworth Wassell
Assignee (at issue)
Rotary Drilling Technology, LLC
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.