Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889429 | Method and apparatus for continuous production of impregnated compound | Gerhard Rottweiller | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889429 | Method and apparatus for continuous production of impregnated compound | Gerhard Rottweiller | 1989-12-26 |