Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11091953 | Revolving door | Melvin Jarno van der Molen, Gijsbert Henk Bakker | 2021-08-17 |
| 10837225 | Revolving door | Hendrik Lammes, Melvin Jarno van der Molen | 2020-11-17 |
| 10612286 | Revolving door | Hendrik Lammes, Melvin Jarno van der Molen | 2020-04-07 |
| 7052390 | Revolving door | Ronald Frank Joosten, Volkert Fester | 2006-05-30 |
| 6557299 | Revolving door | — | 2003-05-06 |
| 6370822 | Revolving door | — | 2002-04-16 |
| 6076302 | Releasable locking element for wings of a revolving door | — | 2000-06-20 |