Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7709786 | Method of operating quadrupoles with added multipole fields to provide mass analysis in islands of stability | Donald J. Douglas, Xianzhen Zhao | 2010-05-04 |
| 7541579 | Linear quadrupoles with added hexapole fields and method of building and operating same | Frank Londry, Chuanfan Ding, Donald J. Douglas | 2009-06-02 |