Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D463460 | Tooth cap for construction machinery | Jürgen Siebeck, Wilfried Batke, Marco Ricci, Frank Tintrup | 2002-09-24 |
| D461832 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Marco Ricci, Jürgen Siebeck, Frank Tintrup | 2002-08-20 |
| D461198 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Marco Ricci, Jürgen Siebeck, Frank Tintrup | 2002-08-06 |
| D460764 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Marco Ricci, Jürgen Siebeck, Frank Tintrup | 2002-07-23 |
| D460464 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Marco Ricci, Jürgen Siebeck, Frank Tintrup | 2002-07-16 |
| D454891 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Marco Ricci, Jürgen Siebeck, Frank Tintrup | 2002-03-26 |