Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7552697 | Device for feeding poultry especially fattened poultry, preferably broilers | — | 2009-06-30 |
| 7228817 | Device for feeding poultry in particular fattening poultry, preferably broilers | — | 2007-06-12 |
| 6412439 | Sitting pole for poultry | Friedrich Otto-Lübker | 2002-07-02 |
| 4973758 | Process for the preparation of 1,5-dihydroxynaphthalene and 1,5-diaminonaphthalene | Horst Behre, Lothar Jakob, Heinz U. Blank, Dietmar Mayer | 1990-11-27 |
| 4788011 | Process for the preparation of chemical compounds obtained as solids from liquid starting substances | Herbert Emde, Friedrich Durholz, Dietmar Mayer, Dorde Jovcic | 1988-11-29 |