Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454823 | Bulk freight rail car with metallized interior surfaces | David A. Stoller, Sr., Paul Wiesner | 1984-06-19 |
| 4444123 | Curved roof hooper car | Ryan M. Smith, David A. Stoller, Sr., Paul Wiesner | 1984-04-24 |