Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373933 | Method for implementing transaction-based billing for telephone services | Mika Sarkki, Jukka Airaksinen, Martti Kosonen | 2002-04-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373933 | Method for implementing transaction-based billing for telephone services | Mika Sarkki, Jukka Airaksinen, Martti Kosonen | 2002-04-16 |