Granted Patent
Utility
US 6,749,030 · App. 10/036,804
Integrated transmitter surveying while boring entrenching powering device for the continuation of a guided bore hole
Inventors:
Paris E. Blair, Joseph L. Ficken, Daniel J. Richards
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Dec 21, 2001
Inventors
Paris E. Blair
Joseph L. Ficken
Daniel J. Richards
Assignee (at issue)
Hunting Performance, 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.