Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838689 | Method of and device for measuring the attenuation of optical fibers by means of the backscatter method | — | 1989-06-13 |
EN
Ernst-Georg Neumann
Overall (1989): #116,400 of 140,708Top 85%
1
Patents 1989