| 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 |