Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638154 | Thrust collar for encasing natural casings, and method of use thereof | Kenneth L. Lebsack | 2003-10-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638154 | Thrust collar for encasing natural casings, and method of use thereof | Kenneth L. Lebsack | 2003-10-28 |