Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353534 | Apparatus for supplying gas to a revolving cylindrical furnace | Wilhelm Janssen | 1982-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353534 | Apparatus for supplying gas to a revolving cylindrical furnace | Wilhelm Janssen | 1982-10-12 |