Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459677 | Mass spectrometer for trace gas leak detection with suppression of undesired ions | J. Daniel Geist, Peter Williams, Charles Perkins | 2008-12-02 |
| 7427751 | High sensitivity slitless ion source mass spectrometer for trace gas leak detection | J. Daniel Geist, Peter Williams, Charles Perkins | 2008-09-23 |