Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316881 | Carbon black process utilizing an improved burner | David F. Pobst, Jr. | 1982-02-23 |
| 4250145 | Carbon black reactor with improved burner | David F. Pobst, Jr. | 1981-02-10 |