Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988438 | Extrusion die vacuum seals | Gerald S. Sutton, William V. Shaffer | 2011-08-02 |
| 7980841 | Defined ratio dual-wall pipe die | Gerald S. Sutton | 2011-07-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7988438 | Extrusion die vacuum seals | Gerald S. Sutton, William V. Shaffer | 2011-08-02 |
| 7980841 | Defined ratio dual-wall pipe die | Gerald S. Sutton | 2011-07-19 |