Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879176 | Surface modification of semicrystalline polymers | Douglas S. Dunn, Robert W. Warner | 1989-11-07 |
| 4868006 | Polymeric film with reduced surface friction | Elaine M. Yorkgitis, Samuel Melvin Smith, Douglas S. Dunn | 1989-09-19 |
| 4822451 | Process for the surface modification of semicrystalline polymers | Douglas S. Dunn, Robert W. Warner | 1989-04-18 |