Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936078 | Fluorescent brightener pigment compositions | Christiane Hutter, Claudio Puebla | 2005-08-30 |
| 6006622 | Transmission gear arrangement for compensating play at the tooth flanks | Klaus Mitterleitner, Thomas Ringholz | 1999-12-28 |
| 4472908 | Automatic gate | Rudolf Wanzl, Karl Ertle | 1984-09-25 |