Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D610635 | Recumbent stepper | Mark D. Hildebrandt, Jeffrey A. DeBoer, Evan Carpenter Crawford | 2010-02-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D610635 | Recumbent stepper | Mark D. Hildebrandt, Jeffrey A. DeBoer, Evan Carpenter Crawford | 2010-02-23 |