Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497420 | Skate with adjustable size | — | 2002-12-24 |
| D463460 | Tooth cap for construction machinery | Jürgen Siebeck, Wilfried Batke, Helmut Halama, Frank Tintrup | 2002-09-24 |
| D461832 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Helmut Halama, Jürgen Siebeck, Frank Tintrup | 2002-08-20 |
| D461198 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Helmut Halama, Jürgen Siebeck, Frank Tintrup | 2002-08-06 |
| D460764 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Helmut Halama, Jürgen Siebeck, Frank Tintrup | 2002-07-23 |
| D460464 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Helmut Halama, Jürgen Siebeck, Frank Tintrup | 2002-07-16 |
| D454891 | Tooth cap for construction machinery | Michael Ketting, Wilfried Batke, Helmut Halama, Jürgen Siebeck, Frank Tintrup | 2002-03-26 |