Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862657 | Ventilating skylight | Arthur P. Jentoft | 1989-09-05 |
| RE32915 | Skylight construction | Arthur P. Jentoft | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862657 | Ventilating skylight | Arthur P. Jentoft | 1989-09-05 |
| RE32915 | Skylight construction | Arthur P. Jentoft | 1989-05-02 |