Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6038790 | Flexible sole with cushioned ball and/or heel regions | John F. Ludemann | 2000-03-21 |
| 5718064 | Multi-layer sole construction for walking shoes | — | 1998-02-17 |
| D370113 | Walking shoe | — | 1996-05-28 |
| D367353 | Shoe and shoe sole | — | 1996-02-27 |
| D366952 | Shoe outsole and upper | — | 1996-02-13 |
| 5435077 | Layered cushioning system for shoe soles | — | 1995-07-25 |
| 5435078 | Shoe suspension system | — | 1995-07-25 |