Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373701 | Cryogenic station | Kevin L. Siefering | 1994-12-20 |
| 5304796 | Atmospheric pressure ionization mass spectroscopy method including a silica gel drying step | Kevin L. Siefering | 1994-04-19 |