Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087655 | Cylinder lock | Ernst Pankratius | 2018-10-02 |
| D559655 | Key shank blank | — | 2008-01-15 |
| D553951 | Key blank with novel profile | — | 2007-10-30 |
| 7278283 | Padlock | — | 2007-10-09 |
| 5921123 | Rekeyable padlock | Norbert Schwarzkopf, Raymond Gunther | 1999-07-13 |
| 5377511 | Padlock with locking balls for a shackle | — | 1995-01-03 |
| 5363678 | Padlock with ball-locked shackle | — | 1994-11-15 |