Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698937 | Traffic responsive control system for automatic swinging door | Henning N. Kornbrekke, Anthony R. Ranaudo | 1987-10-13 |
| 4669218 | Traffic responsive control system | Henning N. Kornbrekke, Anthony R. Ranaudo | 1987-06-02 |
| 4565029 | Traffic responsive control system for automatic swinging door | Henning N. Kornbrekke, Anthony R. Ranaudo | 1986-01-21 |