Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476148 | Tool for maintaining wellbore penetration | — | 1995-12-19 |
| 5211206 | Apparatus for securing written information to tubular goods | Marvin G. Rains | 1993-05-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476148 | Tool for maintaining wellbore penetration | — | 1995-12-19 |
| 5211206 | Apparatus for securing written information to tubular goods | Marvin G. Rains | 1993-05-18 |