Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5576526 | Closure system | — | 1996-11-19 |
| 5546778 | Locking system composed of a lock and several keys | — | 1996-08-20 |
| 5339661 | Magnetic card lock with key card | — | 1994-08-23 |
| 5291766 | Lock with locking function released by inserting a key card with a magnetized region | — | 1994-03-08 |
| 5264685 | Coding device for magnetic cards | — | 1993-11-23 |
| 5074135 | System for the use of lockers or the like | — | 1991-12-24 |
| 5072604 | Closure system consisting of a lock and a plurality of keys | — | 1991-12-17 |
| 5057830 | Locking device operative with sequence of electric signals | — | 1991-10-15 |
| 5020346 | Permutation lock, particularly for storage compartments | — | 1991-06-04 |
| 5012659 | Locking device with key-coded printer connection | — | 1991-05-07 |
| 5000018 | Hardware, in particular for doors or the like | — | 1991-03-19 |
| 4987758 | Burglarproof lock | — | 1991-01-29 |
| 4964494 | Locking device consisting of a bolt lock and key-actuated lock cylinder | — | 1990-10-23 |
| 4953683 | Safe equipped with a permutation lock whose locking function is released by the insertion of a coin or coins | — | 1990-09-04 |
| 4932228 | Locking device having a large number of locking combinations | — | 1990-06-12 |
| 4918957 | Lock with locking function released by insertion of a coded card | — | 1990-04-24 |
| 4817404 | Reversible bolt lock, specifically with a locking function released by coin drop | Diethard Geiger | 1989-04-04 |
| 4727975 | Use-control system | — | 1988-03-01 |
| 4676083 | Locking mechanism with actuator | Bruce S. Sedley | 1987-06-30 |
| 4658612 | Flexible strip key | — | 1987-04-21 |
| 4572347 | Storeroom for transport carts, particularly supermarket shopping carts or the like | — | 1986-02-25 |
| 4572348 | Lock, particularly a coin-deposit lock | Heinz ten Eicken, Kurt Obenluneschloss, Diethard Geiger | 1986-02-25 |
| 4433772 | Lock with locking function adapted to be actuated after the insertion of a coin | Heinz T. Eicken, Diethard Geiger | 1984-02-28 |