Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7173430 | Cold-cathode ionization manometer having a longer service life due to two separate cathodes | Christian Edelmann | 2007-02-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7173430 | Cold-cathode ionization manometer having a longer service life due to two separate cathodes | Christian Edelmann | 2007-02-06 |