Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428761 | Adjustable chair for medical and paramedical diagnosis and treatment, and adjustable ergonomic chair | Johannes Henricus Maria de Kroon, Gaston Lionel van Amerongen | 2008-09-30 |
| 7350863 | Height-adjustable work chair | Joannes Henricus Maria de Kroon, Gaston Lionel van Amerongen | 2008-04-01 |
| 4948373 | Structural model of the human craniomandibular system | — | 1990-08-14 |