Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598667 | Cooled tube wall for metallurgical furnace | Herbert Kuhlmann | 1986-07-08 |
| 4453500 | Cooled tube wall for metallurgical furnace | Herbert Kuhlmann | 1984-06-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598667 | Cooled tube wall for metallurgical furnace | Herbert Kuhlmann | 1986-07-08 |
| 4453500 | Cooled tube wall for metallurgical furnace | Herbert Kuhlmann | 1984-06-12 |