Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680902 | Unitized partition system | William S. Stefnik | 1987-07-21 |
| 4667450 | Unitized partition system | William S. Stefnik | 1987-05-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4680902 | Unitized partition system | William S. Stefnik | 1987-07-21 |
| 4667450 | Unitized partition system | William S. Stefnik | 1987-05-26 |