Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765934 | Polystyrene bead expansion process | Jacob Leidner, Ferdinand M. Svirklys | 1988-08-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765934 | Polystyrene bead expansion process | Jacob Leidner, Ferdinand M. Svirklys | 1988-08-23 |