Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814513 | Preparation of carbonyl compounds | Fritz Graf, Heinz Engelbach, Leopold Hupfer, Harald Schultheiss | 1989-03-21 |
MS
Michael Jolyon Sprague
Overall (1989): #75,248 of 140,708Top 55%
1
Patents 1989