Granted Patent
Utility
US 6,575,256 · App. 09/716,626
Drill bit with lateral movement mitigation and method of subterranean drilling
Inventor:
Michael L. Doster
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Nov 20, 2000
Inventor
Michael L. Doster
Assignee (at issue)
Baker Hughes Holdings 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.