Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8931316 | Method for profiling a flat key, and flat key produced according to the method | Thomas Wallberg | 2015-01-13 |
| 8919160 | Method for profiling a flat reversible key, and flat reversible key, based on a flat reversible key profile, which is produced according to the method | Theo Piotrowski, Thomas Wallberg | 2014-12-30 |
| 8677791 | Locking arrangement comprising a lock cylinder and a matching key | Theo Piotrowski | 2014-03-25 |
| 8505347 | Locking device with associated key and blocking rib sensing | Theo Piotrowski | 2013-08-13 |