Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481157 | Safety device for a closure including a plurality of contact elements | André Haake, Oliver Haake | 2002-11-19 |
| 6337786 | Electric switching device with closed-circuit protection | André Haake, Oliver Haake | 2002-01-08 |