Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10357141 | Floor cleaning device | Pieter Kingma, Matthijs Hendrikus, Wiebe Wierda, Paulus Cornelis Duineveld, Stephanus Jacob Gerardus Tamminga | 2019-07-23 |
| 9955835 | Floor cleaning device | Matthijs Hendrikus Lubbers, Pieter Kingma | 2018-05-01 |