Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744749 | Pipes having orientable nipples for furnaces for firing carbonaceous blocks | Christian Dreyer | 1988-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744749 | Pipes having orientable nipples for furnaces for firing carbonaceous blocks | Christian Dreyer | 1988-05-17 |