Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769499 | Drilling direction control device | Evan Lloyd Davies, Gary L. Donison, Gerald Edward Kent, Terrance Dean Maxwell, Boguslaw Wiecek | 2004-08-03 |
| 6712366 | Seal assembly for limiting the movement of a seal within a seal housing | — | 2004-03-30 |