Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10950409 | High reliability, long lifetime, negative ion source | Joseph D. Sherman, Evan Sengbusch, Ross Radel, Arne Kobernik, Tye Gribb +6 more | 2021-03-16 |
| 10297412 | High reliability, long lifetime, negative ion source | Joseph D. Sherman, Evan Sengbusch, Ross Radel, Arne Kobernik, Tye Gribb +6 more | 2019-05-21 |
| 9847205 | High reliability, long lifetime, negative ion source | Joseph D. Sherman, Evan Sengbusch, Ross Radel, Arne Kobernik, Tye Gribb +6 more | 2017-12-19 |