Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884376 | Sun porch | Kert E. Artwick | 1989-12-05 |
| 4872498 | Venting door light with insulated glass | Kert E. Artwick | 1989-10-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884376 | Sun porch | Kert E. Artwick | 1989-12-05 |
| 4872498 | Venting door light with insulated glass | Kert E. Artwick | 1989-10-10 |