Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897731 | Method and apparatus for manufacturing a looped cellular shade | Wendell B. Colson | 1999-04-27 |
| 5503210 | Cellular shade and method and apparatus for manufacturing same | Wendell B. Colson | 1996-04-02 |