Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112166 | Self-indexing power feed rib bolt drill | Arvid L. Kalnoski | 1992-05-12 |
| 5073068 | Peck feed drilling machine | Danny R. Jinkins | 1991-12-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112166 | Self-indexing power feed rib bolt drill | Arvid L. Kalnoski | 1992-05-12 |
| 5073068 | Peck feed drilling machine | Danny R. Jinkins | 1991-12-17 |