Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974247 | Device for mixing and/or injecting cements | Beat Ehrsam | 2005-12-13 |
| 6842780 | Method of management in a circuit-switched communication network and device which can be used as a node in a circuit-switched communication network | Beat Liver, Dean T. Allemang, Boi Faltings | 2005-01-11 |