Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651817 | Heat exchange apparatus useful for melting sulfur | Michael N. Dugger | 1987-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651817 | Heat exchange apparatus useful for melting sulfur | Michael N. Dugger | 1987-03-24 |