Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648082 | Differential sensor measurement method and apparatus to detect a drill bit failure and signal surface operator | Roger L. Schultz, Andrew J. Osborne, Jr. | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648082 | Differential sensor measurement method and apparatus to detect a drill bit failure and signal surface operator | Roger L. Schultz, Andrew J. Osborne, Jr. | 2003-11-18 |