Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D549552 | Combination lock and padlock combination with opening alert device | — | 2007-08-28 |
| 7131299 | Combination lock and padlock combination with opening warning device | — | 2006-11-07 |
| 6997023 | Combined combination lock and padlock | — | 2006-02-14 |
| 6928842 | Combination lock with key opening mechanism | — | 2005-08-16 |