Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826351 | Grid plate of plastic material | Karl Haberhauer, Bruno Heitzmann, Alfred Lieberenz, Harry Schimmel | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826351 | Grid plate of plastic material | Karl Haberhauer, Bruno Heitzmann, Alfred Lieberenz, Harry Schimmel | 1989-05-02 |