Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789680 | Screen assembly for vibratory separator | Kerry Ward, Thomas C. Adams, Douglas Graham | 2004-09-14 |
| 6294042 | Method and apparatus for lining tubulars and lined tubular assembly | John M. Nelson, William L. Snider, Gary W. Bogema | 2001-09-25 |
| 5964981 | Apparatus for lining tubulars | John M. Nelson, William L. Snider, Gary W. Bogema | 1999-10-12 |