Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471059 | Multiple-detector system for detecting charged particles | Philip A. Freedman | 1995-11-28 |
| 4853539 | Glow discharge mass spectrometer | David Hall, Neil E. Sanderson | 1989-08-01 |