Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871383 | Method of manufacturing optical fibres | Peter Klaus Bachmann, Jacques Warnier, Howard J. C. Wilson | 1989-10-03 |
HH
Hans-Jurgen E. Hagemann
Overall (1989): #108,645 of 140,708Top 80%
1
Patents 1989