Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D441685 | Cut stone | Jaroslav Kavalek | 2001-05-08 |
| D429180 | Cut stone | Jaroslav Kavalek | 2000-08-08 |
| D428356 | Cut stone | Jaroslav Kavalek | 2000-07-18 |
| D424469 | Cut stone | Jaroslav Kavalek | 2000-05-09 |