Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D688437 | Spiral potato piece | David Bruce Walker, Allen J. Neel, Bruce T. Pittard, Michael L. Hamann | 2013-08-27 |
| D640036 | Spiral potato piece | David Bruce Walker, Allen J. Neel, Bruce T. Pittard, Michael L. Hamann | 2011-06-21 |