Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540877 | Internal paper sizing improvements | Gerald I. Katz, Lester William House, Susanne Sowers, Joseph S. Marton | 2003-04-01 |
| 4221600 | Liquid defoaming composition | — | 1980-09-09 |