Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690775 | Apparatus for heat sealing paperboard substrates using a uniform energy distributed light energy beam | Ralph Scott Peterson | 1997-11-25 |
| 5660898 | Heat sealed, ovenable food cartons | — | 1997-08-26 |