Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7052390 | Revolving door | Gertjan Otto, Ronald Frank Joosten | 2006-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7052390 | Revolving door | Gertjan Otto, Ronald Frank Joosten | 2006-05-30 |