Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7641417 | Tire deflation device | — | 2010-01-05 |
| 6474903 | Retractable barrier strip | Donna J. Marts, Andrew Wowczuk, Thomas E. Vellenoweth | 2002-11-05 |
| 5507588 | Retractable barrier strip | Donna J. Marts, Miles A. McQueen | 1996-04-16 |