Granted Patent
Utility
US 6,736,222 · App. 10/112,860
Relative drill bit direction measurement
Inventors:
Arthur F. Kuckes, Rahn Pitzer, Anthony G. Nekut, Jr.
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Apr 2, 2002
Inventors
Arthur F. Kuckes
Rahn Pitzer
Anthony G. Nekut, Jr.
Assignee (at issue)
Vector Magnetics, 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.