Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569949 | Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor | — | 1986-02-11 |
| 4563481 | Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor | — | 1986-01-07 |