Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381797 | Device for moving a pig through a conduit, such as a pipeline, and sealing means for a device of this type | Sergei Filippovitch | 2002-05-07 |
| 6339993 | Device for passing through pipes | Corry Comello, Poul Laursen | 2002-01-22 |