Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845331 | Pressurized weld chamber | Denis Yeo, Robert Duncan | 1989-07-04 |
| 4837419 | Fuel rod end plug welding apparatus and method | David A. Boatwright, Robert Duncan | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845331 | Pressurized weld chamber | Denis Yeo, Robert Duncan | 1989-07-04 |
| 4837419 | Fuel rod end plug welding apparatus and method | David A. Boatwright, Robert Duncan | 1989-06-06 |