Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657811 | High performance three layer polyolefin film | Dana M. Boyd, Edward A. Colombo | 1987-04-14 |
| 4533578 | Sandwich foam coextrusion for high performance polyolefin trash bags | Dana M. Boyd, Edward A. Colombo | 1985-08-06 |