Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396802 | Data transmission method with a plurality of frequency bands | Heinrich Schenk | 2002-05-28 |
| 6359839 | Watch with a 24-hour watch face | Thomas Schenk, Johanna Schenk | 2002-03-19 |