Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865108 | Frame for a retractable blind | Herman Oskam | 1989-09-12 |
| 4807683 | Retractable screen | Herman Oskam | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865108 | Frame for a retractable blind | Herman Oskam | 1989-09-12 |
| 4807683 | Retractable screen | Herman Oskam | 1989-02-28 |