Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7681455 | Method and device for monitoring the state of the protective covering of a rotary furnace burner | Alexander Knoch | 2010-03-23 |
| 6297420 | Method of selecting an item to match a person's skin tone | — | 2001-10-02 |