Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46452 | Electrostatic lens structure | Stijn Willem Herman Karel Steenbrink, Johan Joost Koning | 2017-06-27 |
| 8198602 | Electrostatic lens structure | Stijn Willem Herman Karel Steenbrink, Johan Joost Koning | 2012-06-12 |