Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7735843 | Stroller brake system | Michael A. Dotsey, Patrick Nolan, Michiel Sebastiaan Emanuel Petrus Knoppert, Karen Rosenkranz, Marcel Arthur Jan Schreuder | 2010-06-15 |
| 7694980 | Handle for collapsible stroller | Michael A. Dotsey, Patrick Nolan, Michiel Sebastiaan Emanuel Petrus Knoppert, Karen Rosenkranz, Marcel Arthur Jan Schreuder | 2010-04-13 |
| 7044486 | Skateboard with suspension system | Steven P. Wright, Raymond W. Riley, Willem Jorrit Schoonhoven, Lucien Vink, Michiel Sebastiaan Emanuel Petrus Knoppert | 2006-05-16 |