Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D463313 | Gemstone | Wolfgang Bamminger, Herbert Öfner | 2002-09-24 |
| 6422039 | Gem | Wolfgang Bamminger, Herbert Öfner, Harald Weingärtner, Michael Winter | 2002-07-23 |
| D460376 | Ornamental object | Wolfgang Bamminger, Herbert Öfner, Harald Weingärtner, Michael Winter | 2002-07-16 |
| D431794 | Gem stone | — | 2000-10-10 |
| D409944 | Gem stone | — | 1999-05-18 |
| D407036 | Gem stones | — | 1999-03-23 |