Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313998 | Expandable and collapsible window covering | Wendell B. Colson, Paul G. Swiszcz, Cees M. Jansen | 1994-05-24 |
| 5158632 | Method of making an expandable and collapsible window covering | Wendell B. Colson, Paul G. Swiszcz, Cees M. Jansen | 1992-10-27 |