Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619822 | Sash window unit, at least comprising a frame with a sash window which is slidable vertically therein | — | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619822 | Sash window unit, at least comprising a frame with a sash window which is slidable vertically therein | — | 1997-04-15 |