Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131793 | Feed mechanism | — | 1992-07-21 |
| 5033917 | Chip extraction apparatus | John R. McGlasson | 1991-07-23 |
| 4285620 | Symmetrical spur point drill | Thomas O. Blankenship, Lawrence Francis Kuberski | 1981-08-25 |