Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8845833 | Method for preparing a pyrotechnic composition and charge | Martijn Zebregs, Murk Pieter Van Rooijen | 2014-09-30 |
| 8486207 | Low-smoke pyrotechnic composition for producing colored flames | Martijn Zebregs, John Franciscus Zevenbergen, Murk Pieter Van Rooijen | 2013-07-16 |
| 8402893 | Combustion chamber for launching fireworks projectiles | Murk Pieter Van Rooijen | 2013-03-26 |
| 8142581 | Pyrotechnic colour composition | John Franciscus Zevenbergen, Murk Pieter Van Rooijen | 2012-03-27 |