Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D788449 | Case | Ferdinand Chrenka, Boris Belan | 2017-06-06 |
| D783617 | Optical digital pen | Ferdinand Chrenka, Boris Belan | 2017-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D788449 | Case | Ferdinand Chrenka, Boris Belan | 2017-06-06 |
| D783617 | Optical digital pen | Ferdinand Chrenka, Boris Belan | 2017-04-11 |