Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6298926 | Blast hole drill with improved deck wrench | Marcia H. Dalkert, Jack W. Nelson, David A. Kaphingst | 2001-10-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6298926 | Blast hole drill with improved deck wrench | Marcia H. Dalkert, Jack W. Nelson, David A. Kaphingst | 2001-10-09 |