Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7685666 | Method for producing waterproof seams | Karsten Keidel, Paul Edmund Raith | 2010-03-30 |
| 7017284 | Waterproof shoe structure with folded interior upper | Karsten Keidel, Paul Edmund Raith, Peter Mügge | 2006-03-28 |