Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582019 | Tilt assembly for a chair | Robert W. Insalaco, Claudia Plikat, Johann Burkhard Schmitz, Carola Zwick, Roland Zwick | 2003-06-24 |
| D471042 | Back for a seating structure | Burkhard Schmitz, Claudia Plikat, Carola Zwick, Roland Zwick | 2003-03-04 |