Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474836 | Method for the production of carpet liners | Manfred Schweizer, Hans C. Trautmann | 1984-10-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474836 | Method for the production of carpet liners | Manfred Schweizer, Hans C. Trautmann | 1984-10-02 |