Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970000 | Method for the biological denitrification of water | Alwin Eppler | 1990-11-13 |
| D266113 | Safe | Karl-Heinz Kremson | 1982-09-07 |
| D265012 | Safe with deposit box | Karl-Heinz Kremson | 1982-06-15 |
| D265013 | Safe | Karl-Heinz Kremson | 1982-06-15 |
| D265014 | Safe deposit box | Karl-Heinz Kremson | 1982-06-15 |