Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8904649 | Utility knife | Markus Gropl, Mark Marinovich | 2014-12-09 |
| 8819942 | Spring back safety and film cutter | Yen-Chao Chung, Glen Kanemoto, Markus Gropl, Dave Puglisi, Mark Marinovich | 2014-09-02 |
| 8127452 | Utility knife | Markus Gropl, Mark Marinovich | 2012-03-06 |
| 8069571 | Spring back safety and film cutter | Yen-Chao Chung, Glen Kanemoto, Markus Gropl, Dave Puglisi, Mark Marinovich | 2011-12-06 |