Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670882 | Dyestuff laser | Helmut Telle, Roderich Raue, Udo Eckstein | 1987-06-02 |
| 4551265 | Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs | Wolfgang Brinkwerth, Wolfgang Huffer, Roderich Raue, Helmut Telle | 1985-11-05 |
| 4338258 | Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs | Wolfgang Brinkwerth, Wolfgang Huffer, Roderich Raue, Helmut Telle | 1982-07-06 |
| 4301091 | Fluorescent dyestuffs | Helmut Telle, Roderich Raue, Wolfgang Brinkwerth | 1981-11-17 |