Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D291309 | Receptacle for telephone handset | — | 1987-08-11 |
| D290118 | Telephone hand set | — | 1987-06-02 |
| 4422406 | Apparatus for manufacturing metal layers and glow polymer layers which are superimposed and arranged laterally offset relative to one another | Reinhard Behn | 1983-12-27 |
| 4370344 | 5'-Aminoalkyl-4'-alkylpsoralens | — | 1983-01-25 |
| 4328239 | 8-Aminoalkylpsoralens | — | 1982-05-04 |
| 4298614 | 5'-Aminoalkyl-4',4-dialkylpsoralens | — | 1981-11-03 |
| 4294822 | 5-Aminoalkyl-4,4,8-trialkylpsoralens | — | 1981-10-13 |
| 4294847 | 8-Aminoalkyl-4-alkylisopsoralens | — | 1981-10-13 |
| 4279922 | Photosensitizing benzofuranacrylics | — | 1981-07-21 |
| 4269852 | 4'-Substituted-4,5',8-trialkylpsoralens | — | 1981-05-26 |
| 4269851 | 8-Aminoalkyl-4-alkylpsoralens | — | 1981-05-26 |
| 4235781 | 6 Or 8 Haloallyl substituted 7-hydroxycoumarins | — | 1980-11-25 |
| 4216154 | Process for making .alpha.-loweralkylfurocoumarins | — | 1980-08-05 |