Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9540518 | Apparatus and process for airheater without quench in carbon black production | — | 2017-01-10 |
| 4388066 | Radiation shield and method of use | Siegfried R. Meder | 1983-06-14 |