Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830645 | Freeze concentration system and method | Yousef Ghodsizadeh | 1989-05-16 |
DS
David A. Seitz
Overall (1989): #121,749 of 140,708Top 90%
1
Patents 1989