Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719073 | Single-cone rock bit having cutting structure adapted to improve hole cleaning, and to reduce tracking and bit balling | George Witman, Michael A. Siracki | 2004-04-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719073 | Single-cone rock bit having cutting structure adapted to improve hole cleaning, and to reduce tracking and bit balling | George Witman, Michael A. Siracki | 2004-04-13 |