Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646498 | Curtain wall panel and method | Joseph W. Schneller, Donald A. Kossuth | 1987-03-03 |
| 4590733 | Curtain wall panel and method | Joseph W. Schneller, Donald A. Kossuth | 1986-05-27 |