Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996250 | Air-cooled shoe having an air exhaust pump | Mark D. Murrell | 1999-12-07 |
| 5845417 | Air cooled shoe having an air exhaust pump | Mark D. Murrell | 1998-12-08 |
| 5697170 | Air cooled shoe | Mark D. Murrell | 1997-12-16 |