Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661015 | Pattern lock system | Alfred Chalupka, Gerhard Stengl, Hans Loschner, Robert Nowak | 2003-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661015 | Pattern lock system | Alfred Chalupka, Gerhard Stengl, Hans Loschner, Robert Nowak | 2003-12-09 |