Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335775 | Rotatable louver holder for louvered vertical venetian blind | Herman Oskam | 1982-06-22 |
| 4332288 | Pull carrier for vertically louvered venetian blind | Herman Oskam | 1982-06-01 |