Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920683 | Method and testing device for verifying the charge invoicing for a communications connection according to time-unit intervals | Ernst Schneider | 2011-04-05 |
| 7302045 | System and method for monitoring time-related connection data detected by a network node | Ernst Schneider | 2007-11-27 |
| 7164758 | System, evaluation device and method for verifying connection-related communication data determined by a digital exchange | Ernst Schneider | 2007-01-16 |
| 5401528 | Use of compositions based on organically modified silicic acid polycondensates for coating teeth and dental prostheses | — | 1995-03-28 |