Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171964 | High accuracy, high flexibility, energy beam machining system | Michael Kallmeyer, Nabil Amir Rizk, You-Wen Yau | 1992-12-15 |
| 5145551 | High accuracy, high flexibility energy beam machining system | Michael Kallmeyer, Nabil Amir Rizk, You-Wen Yau | 1992-09-08 |
| 5124522 | High accuracy, high flexibility energy beam machining system | Michael Kallmeyer, Nabil Amir Rizk, You-Wen Yau | 1992-06-23 |