Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519719 | Retractable auger head | David G. Bullock, Toby Wright, Thomas A. Miller, Boston Bullock | 2019-12-31 |
| 10301880 | Over-bit reamer | David G. Bullock | 2019-05-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519719 | Retractable auger head | David G. Bullock, Toby Wright, Thomas A. Miller, Boston Bullock | 2019-12-31 |
| 10301880 | Over-bit reamer | David G. Bullock | 2019-05-28 |