Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5591489 | Process for surface sizing paper or paperboard | Louis R. Dragner | 1997-01-07 |
| 4328141 | Stabilization of rosin dispersions with low molecular weight non-ionic polymers | David W. Lipp | 1982-05-04 |