Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002054 | Roof drill bit, roof drill bit body and hard cutting insert for roof drill bit | Chad A. Swope, Douglas E. Bise, Tod D. Hill | 2011-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002054 | Roof drill bit, roof drill bit body and hard cutting insert for roof drill bit | Chad A. Swope, Douglas E. Bise, Tod D. Hill | 2011-08-23 |