Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072140 | Balanced process for extrusion of plastic corrugated sheet and subsequent converting into plastic boxes | William F. McMahon | 2021-07-27 |
| 11072455 | Process for forming plastic corrugated container and intermediary blank | William F. McMahon | 2021-07-27 |
| 10961038 | Plastic corrugated container with soft score line | — | 2021-03-30 |