Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608931 | Filament wound railway hopper car | Ralph A. Britton, James D. Mundloch, Frederick E. Vorwerk | 1986-09-02 |
| 4497258 | Transverse bulkhead connection to filament wound vehicle body sides | Frederick E. Vorwerk, James D. Mundloch | 1985-02-05 |