Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431247 | Window treatment holder system | William Craig Marchant | 2002-08-13 |
| 4250668 | Ceiling structure | — | 1981-02-17 |
| 4248649 | Method for producing a composite structure | Frederick Allsopp, Geoffrey Elliott | 1981-02-03 |