Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723434 | Tile | Johann Kowalczyk | 2004-04-20 |
| 6544587 | Tile | Johann Kowalczyk | 2003-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723434 | Tile | Johann Kowalczyk | 2004-04-20 |
| 6544587 | Tile | Johann Kowalczyk | 2003-04-08 |