Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823551 | Method for manufacturing a waterproof shoe structure and shoe structure produced by said method | Karsten Keidel, Paul Edmund Raith | 2004-11-30 |
| 6820352 | Waterproof shoe | Karsten Keidel, Paul Edmund Raith | 2004-11-23 |
| 6769201 | Waterproof shoe structure | Karsten Keidel | 2004-08-03 |
| 6698108 | Waterproof shoe | Karsten Keidel, Manfred Haderlein, Harry Van De Ven, John Mulcahy | 2004-03-02 |