Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416513 | Actuator apparatus with light actuated position sensor and secure position verification | David A. Dahl, David E. Eichstadt | 2025-09-16 |
| 12031851 | Actuator apparatus with light actuated position sensor and secure position verification | David A. Dahl, David E. Eichstadt | 2024-07-09 |