Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648069 | Well reference apparatus and method | John E. Campbell, Wei Xu | 2003-11-18 |
| 6648068 | One-trip milling system | James E. Saylor, III, Bruce D. Swearingen, Andrew MacDonald Robin, Alexander William Dawson, Gregory S. Nairn | 2003-11-18 |
| 6612383 | Method and apparatus for milling well casing and drilling formation | Praful C. Desai | 2003-09-02 |
| 6568480 | Orientation and locator system and method of use | — | 2003-05-27 |
| D474510 | Portable electronic gaming device | Richard Fayram, Christian J. Wright | 2003-05-13 |
| 6554062 | Anchor apparatus and method | Mark J. Murray, Wei Xu | 2003-04-29 |
| 6543536 | Well reference apparatus and method | John E. Campbell, Wei Xu | 2003-04-08 |