Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650811 | Protection of glass fibers for telecommunication with hollow leads | Franz-Friedrich Frohlich, Peter Wallentowitz | 2003-11-18 |
| 6081644 | Cable sleeve with a holding apparatus for cartridges or cassettes for storing and splicing light waveguides | Franz Froehlich | 2000-06-27 |