Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10417464 | Method for retrieving a shut state and/or a location of a closable container | Joerg Stefan Wittkowski | 2019-09-17 |
| 10339436 | Multi-frequency radio frequency identification tag | — | 2019-07-02 |