Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021776 | Holding and contact-making apparatus for a button cell, and method for its production | — | 2011-09-20 |
| 7870771 | Lock device with a lock cylinder and a key | Ulrich Mueller, Dirk Jacob | 2011-01-18 |