Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D677046 | Parasol | — | 2013-03-05 |
| 7992581 | Canopy device | — | 2011-08-09 |
| D618899 | Umbrella | Philip Jeroen Peter Hess, Gerardus Maria Kool | 2010-07-06 |
| D599103 | Umbrella | Philip Jeroen Peter Hess, Gerardus Maria Kool | 2009-09-01 |