Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528140 | Shoe sole with dual energy management system | Frans Xavier Karl Kalin, Daniel E. Norton, Kwang Ho Park, Berthold Krabbe | 2003-03-04 |
| 6516540 | Ground contacting systems having 3D deformation elements for use in footwear | Roland G. Seydel, Richard Fumi, Kevin A. Beard, Ottmar Kaiser | 2003-02-11 |