Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101611 | Method and apparatus for forming thermally insulative and shock resistant food packaging | Hans-Joachim Biskup, David S. Iorns, David S. Bruce | 1992-04-07 |
| 4994638 | Thermally insulative and shock resistant food packaging | David S. Iorns, David S. Bruce, Hans-Joachim Biskup | 1991-02-19 |