Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409461 | Method and apparatus for stacking tortilla chips | Patrick Joseph Bierschenk, John Joseph Michels | 2002-06-25 |
| 6338606 | Method and apparatus for stacking tortilla chips | Patrick Joseph Bierschenk, John Joseph Michels | 2002-01-15 |