Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868567 | Landing approach aid for aircraft | — | 1989-09-19 |
| 4854595 | Firearm aiming simulator device | — | 1989-08-08 |
| 4814628 | Arrangement for the transmission of laser light with reference source for backscatter obstruction detection | — | 1989-03-21 |
| 4801201 | Method and device for laser-optical measurement of cooperative objects, more especially for the simulation of firing | — | 1989-01-31 |