Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563957 | Car bottom-to-side sill connection | Robert Billingsley, George M. Reed | 1986-01-14 |
| 4278107 | Automatic vacuum relief valve for hopper cars | Richard H. Dugge | 1981-07-14 |
| 4216726 | Railway trailer hitch stand pivoting one-way gate | Patricia S. Stoller, James C. Hammonds, John O. Kloepper | 1980-08-12 |
| 4185564 | Trailer hitch yoke positioning assembly | Patricia S. Stoller, James C. Hammonds, John O. Kloepper | 1980-01-29 |