Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8309671 | Extrudable acrylic compositions | Andrew H. Janowicz, Walter H. Delphin | 2012-11-13 |
| 5880207 | Acrylic compositions | Walter H. Delphin, Marcia O. Leach, James R. Leach, Fareeduddin Farooq | 1999-03-09 |