Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369679 | Method and apparatus for providing permanent magnetic signatures in buried cables and pipes to facilitate long-range location, tracking and burial depth determination | Paul A. Cloutier, Timothy I. Marzolf, Delbert R. Oehme | 2002-04-09 |
| 6366191 | Method and apparatus for providing permanent magnetic signatures in buried cables and pipes to facilitate long-range location, tracking and burial depth determination | Paul A. Cloutier, Timothy I. Marzolf, Delbert R. Oehme | 2002-04-02 |
| 4427943 | Apparatus and method for locating and tracking magnetic objects or sources | Paul A. Cloutier, Delbert R. Oehme | 1984-01-24 |