Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212839 | Process for preparing open-cell sponge rubber printing material having small and large interconnected cells | — | 1980-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212839 | Process for preparing open-cell sponge rubber printing material having small and large interconnected cells | — | 1980-07-15 |