Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457324 | Spectrum analyzer in an ion implanter | David George Armour, Johnathan G. England, Jakob Albert Van Den Berg | 1995-10-10 |
| 5384465 | Spectrum analyzer in an ion implanter | David George Armour, Johnathan G. England, Jakob A. Van der Berg | 1995-01-24 |