Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428703 | Method for purifying biological marcromolecules, and chromatographic column for performing said method | Thomas Zinn, Manfred Sieber | 2002-08-06 |
| 6309067 | Single-vision ophthalmic lens series | — | 2001-10-30 |
| 6176577 | Aspheric lenses | Guy Monnoyeur | 2001-01-23 |
| 6177009 | Apparatus for treating biomolecules | Manfred Sieber | 2001-01-23 |
| 6089710 | Single-vision ophthalmic lens series | — | 2000-07-18 |