Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446597 | Hinge device for inclined tilting type windows with external cover rails | Per B. Christensen | 1984-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446597 | Hinge device for inclined tilting type windows with external cover rails | Per B. Christensen | 1984-05-08 |