Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814162 | One cone bit with interchangeable cutting structures, a box-end connection, and integral sensory devices | David P. Moran | 2004-11-09 |
| 6719073 | Single-cone rock bit having cutting structure adapted to improve hole cleaning, and to reduce tracking and bit balling | Ying Xiang, Michael A. Siracki | 2004-04-13 |