Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10076921 | Document with hologram, and method of producing same | Irina Menz, Andreas Wanke, Gunther Dausmann, Hugues Souparis | 2018-09-18 |
| 10031480 | Method for producing security elements by the individualization of volume holograms and security elements produced therewith | Irina Menz | 2018-07-24 |
| 5778033 | Refractory composite structure with a plastically deformable metal lining | Ludovic Filipuzzi | 1998-07-07 |
| 5604776 | Method for making a sealed passage in a refractory composite part with a plastically deformable metal lining which seals passage walls, and application of the production of a refractory composite structure cooled by fluid circulation | Ludovic Filipuzzi | 1997-02-18 |
| 5583895 | Method for making a sealed passage in a refractory composite part, and application to the production of a refractory composite structure cooled by fluid circulation | Ludovic Filipuzzi | 1996-12-10 |