Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190090 | Apparatus for use in a pipeline | Douglas C. Campbell, Brian Wilson Varney | 2001-02-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190090 | Apparatus for use in a pipeline | Douglas C. Campbell, Brian Wilson Varney | 2001-02-20 |