Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481502 | Borehole closure plug | Nils Alberto Heinke, Roger Dean Skaggs | 2002-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481502 | Borehole closure plug | Nils Alberto Heinke, Roger Dean Skaggs | 2002-11-19 |