Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846249 | Window shade carrier and carrier assembly | David W. Cooper, Michael F. Praamsma | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846249 | Window shade carrier and carrier assembly | David W. Cooper, Michael F. Praamsma | 1989-07-11 |