Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7387071 | Blasting method and blasting accessory | Nils Alberto Heinke, Roger Dean Skaggs | 2008-06-17 |
| 7052092 | Drillhole blasting | Nils Alberto Heinke, Roger Dean Skaggs | 2006-05-30 |
| 6481502 | Borehole closure plug | Nils Alberto Heinke, Roger Dean Skaggs | 2002-11-19 |
| 5413415 | Rotary table deck bushing | — | 1995-05-09 |
| 5234063 | Removable wear protective means for a drilling tool | — | 1993-08-10 |
| 5222565 | Drill section of a drilling tool | — | 1993-06-29 |
| 5058689 | Wear protective means for a drilling tool | — | 1991-10-22 |