Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344918 | Electrochromic contrast-plate | Horst Berneth, Serguei Kostromine, Ralf Neigl | 2002-02-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344918 | Electrochromic contrast-plate | Horst Berneth, Serguei Kostromine, Ralf Neigl | 2002-02-05 |