Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690787 | Polymer reinforced paper having improved cross-direction tear | David P. Hultman, Edward Walter Heribacka | 1997-11-25 |
| 5589034 | Polymer-reinforced paper having improved cross-direction tear | David P. Hultman, Edward Walter Heribacka | 1996-12-31 |