Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663952 | Device for the contactless coupling of the control and output currents between the electronic elements on the locking cylinder and the electronic elements in the key of an electro/mechanical locking device | — | 1987-05-12 |
| 4541500 | Bicycle, in particular with an electromotor | — | 1985-09-17 |
| 4500977 | Method and apparatus for measuring a distance using ultrasonic echo signals, particularly for use on a motor vehicle | — | 1985-02-19 |
| 4458512 | Cylinder lock with key for mechanical and/or electromechanical locking | — | 1984-07-10 |
| 4437032 | Sensor for distance measurement by ultrasound | — | 1984-03-13 |
| 4393672 | Cylinder lock and key assembly | — | 1983-07-19 |
| 4290634 | Electrically and manually operable locking mechanism and drive arrangement for the same | — | 1981-09-22 |
| 4269440 | Electrically energized operating mechanism for the door of a vehicle and the like, and drive arrangement for the mechanism | — | 1981-05-26 |