Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241541 | Dual arm operator for a casement-type window | Marlo G. Van Klompenburg, Eric W. Nelson | 1980-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4241541 | Dual arm operator for a casement-type window | Marlo G. Van Klompenburg, Eric W. Nelson | 1980-12-30 |