Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666952 | Paper sizing compositions and methods | Robert J. Proverb, David L. Dauplaise | 2003-12-23 |
| 6576049 | Paper sizing compositions and methods | Robert J. Proverb, David L. Dauplaise | 2003-06-10 |