Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889657 | Partial oxidation process | — | 1989-12-26 |
FJ
Frederick C. Jahnke
Overall (1989): #114,677 of 140,708Top 85%
1
Patents 1989