Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470977 | Steerable underreaming bottom hole assembly and method | Chen-Kang Chen | 2002-10-29 |
| 6443666 | Reinforced concrete panel and method of manufacture | — | 2002-09-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470977 | Steerable underreaming bottom hole assembly and method | Chen-Kang Chen | 2002-10-29 |
| 6443666 | Reinforced concrete panel and method of manufacture | — | 2002-09-03 |