The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2004
Filed:
Feb. 04, 2003
Applicant:
Inventors:
Layne Daniel Tucker, Grande Prairie, CA;
Peter William Lylick, St. Albert, CA;
Assignee:
Guardian Angel Protection Inc., Grande Prairie, CA;
Primary Examiner:
Int. Cl.
CPC ...
G01S 1/388 ; G01S 1/374 ;
U.S. Cl.
CPC ...
G01S 1/388 ; G01S 1/374 ;
Abstract
A method of locating an underground utility line. A first step involves securing transponders along a length of an underground utility line at regular spaced intervals. A second step involves interrogating the transponders to receive transponder signals. A third step involves ascertaining the position of the transponder signals and extrapolating positioning of the underground utility line from the transponder signals.