Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294042 | Method and apparatus for lining tubulars and lined tubular assembly | John M. Nelson, Gary W. Bogema, David Vernon Person | 2001-09-25 |
| 5964981 | Apparatus for lining tubulars | John M. Nelson, Gary W. Bogema, David Vernon Person | 1999-10-12 |