Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758274 | Sample extraction system for boreholes | Jamieson Edward Champ, Douglas J. Belshaw | 2004-07-06 |
| 6581682 | Expandable borehole packer | James Gerard Pianosi, Jamieson Edward Champ | 2003-06-24 |
| 6286603 | Packing system and method for boreholes | — | 2001-09-11 |