Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7116244 | Method and system for producing a magnetic field signal usable for locating an underground object | Richard William Fling, Nicholas C. Hillman, Luigi Lanfranchi | 2006-10-03 |
| 6993088 | Encoding scheme for producing magnetic field signals having desired spectral characteristics | Richard William Fling, Luigi Lanfranchi | 2006-01-31 |