Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5876826 | Modular sound-deadening covering | Manfred Hoffmann, Edmund Riggers | 1999-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5876826 | Modular sound-deadening covering | Manfred Hoffmann, Edmund Riggers | 1999-03-02 |