Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581520 | Pyrotechnic active mass for producing an aerosol highly emissive in the infrared spectrum and inpenetrable in the visible spectrum | Ernst-Christian Koch | 2003-06-24 |
| 6484640 | Method of producing a screening smoke with one-way transparency in the infrared spectrum | Josef Schneider, Ernst-Christian Koch | 2002-11-26 |