Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D339444 | Food product | Keith A. Evenson, Richard K. Knutson, Mathew F. Langenfeld, Lydia T. Midness | 1993-09-21 |
| 4985269 | Continuous extrusion for tortilla chip production | Scot A. Irvin, Carleton G. Merritt | 1991-01-15 |