Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873489 | Method and apparatus for measurement of charge entrained in fluids | James R. Melcher, Alfred Morin | 1989-10-10 |
MZ
Markus Zahn
Overall (1989): #77,864 of 140,708Top 60%
1
Patents 1989