Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10939788 | Retaining plate with improved sealing | Jan Schultink | 2021-03-09 |
| 10925450 | Method for integral connection of a retaining plate to the wall of a vacuum cleaner filter bag and also vacuum cleaner filter bag | Jan Schultink | 2021-02-23 |
| 10905299 | Retaining plate with improved sealing | Jan Schultink | 2021-02-02 |