Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651486 | Translucent block for wall and column structures | Thomas J. Pirosko, Francis J. Zavada | 1987-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651486 | Translucent block for wall and column structures | Thomas J. Pirosko, Francis J. Zavada | 1987-03-24 |