Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306910 | Time modulated electrified spray apparatus and process | Joseph A. Jarrell, Douglas P. Wittmer | 1994-04-26 |
| 5304798 | Housing for converting an electrospray to an ion stream | Joseph A. Jarrell | 1994-04-19 |