Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D487712 | Natural gemstone, artificial gemstone ornamental object made of glass | Herbert Öfner, Michael Winter | 2004-03-23 |
| D487713 | Natural gemstone, artificial gemstone; ornamental object made of glass | Herbert Öfner, Michael Winter | 2004-03-23 |
| D487411 | Natural gemstone, artificial gemstone; ornamental object made of glass | Herbert Öfner, Michael Winter | 2004-03-09 |