Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799648 | Method of producing downhole drill bits with integral carbide studs | John R. Keough, Kathy L. Hayrynen, Gerald Wurtsmith | 2004-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799648 | Method of producing downhole drill bits with integral carbide studs | John R. Keough, Kathy L. Hayrynen, Gerald Wurtsmith | 2004-10-05 |