Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422079 | Ground anchorage testing apparatus | Gavin Stuart Littlejohn, Richard Neilson, James Penman | 2002-07-23 |
| 6176325 | Moling apparatus and a ground sensing system therefor | — | 2001-01-23 |
| 5850884 | Moling apparatus | Gavin Stuart Littlejohn | 1998-12-22 |
| 5798981 | Integrity assessment of ground anchorages | Gavin Stuart Littlejohn | 1998-08-25 |
| 4594885 | Apparatus for driving testing projectiles | — | 1986-06-17 |