Granted Patent
Utility
US 6,710,741 · App. 10/160,941
Method and apparatus for determining positioning relative to utility lines
Inventor:
Layne D. Tucker
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: May 31, 2002
Inventor
Layne D. Tucker
Assignee (at issue)
Guardian Angel Protection 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.