Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800580 | X-ray analysis apparatus | Geert Brouwer | 1989-01-24 |
EH
Eliberthus Houtman
Overall (1989): #117,184 of 140,708Top 85%
1
Patents 1989