Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11315126 | Method for verifying the validity of a ticket; mobile device | Ullrich Martini, Dietmar Maierhöfer | 2022-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11315126 | Method for verifying the validity of a ticket; mobile device | Ullrich Martini, Dietmar Maierhöfer | 2022-04-26 |