Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885500 | Quartz quadrupole for mass filter | John Fjeldsted, Carolyn C. Broadbent | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885500 | Quartz quadrupole for mass filter | John Fjeldsted, Carolyn C. Broadbent | 1989-12-05 |