Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530305 | Apparatus for making rubber covered carbon black pellets | — | 1985-07-23 |
| 4440807 | Process and apparatus for making rubber covered carbon black pellets | — | 1984-04-03 |
| 4337294 | Rubber covered carbon black pellets | — | 1982-06-29 |
| 4182736 | Method for pelleting carbon black | — | 1980-01-08 |