Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D318912 | Air ameliorant or similar article | Horst Hautmann, Georg Schimanski | 1991-08-06 |
| D306478 | Air freshener or similar article | Horst Hautmann, Georg Schimanski | 1990-03-06 |
| 4769528 | Apparatus for the evaporation of active ingredients such as, for example, pyrethrum, incorporated in cellulose or other carrier materials | Horst Hautmann | 1988-09-06 |
| 4750471 | Evaporation apparatus for active ingredients such as pyrethrum incorporated into solid carrier materials | Horst Hautmann, Bernd Pregler, Georg Schimanski | 1988-06-14 |
| 4707866 | Device for adding disinfectants or the like to the flushing water of a WC | Horst Hautmann | 1987-11-24 |
| 4526320 | Apparatus for vaporizing insecticides, perfumes and/or other volatile agents | Georg Schimanski | 1985-07-02 |
| 4452393 | Vaporizing device for perfumes, insecticides and/or other volatile active substances | Georg Schimanski, Horst Hautmann | 1984-06-05 |
| D268614 | Air freshener or similar article | Georg Schimanski | 1983-04-12 |
| D268361 | Air freshener or similar article | Georg Schimanski | 1983-03-22 |
| 4247042 | Vaporizer for insecticides and/or other volatile active substances | Georg Schimanski | 1981-01-27 |