Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342159 | Access and support apparatus for loading and unloading gondola cars | James D. Davis | 1994-08-30 |
| 5320474 | Access and support apparatus for loading and unloading gondola cars | James D. Davis | 1994-06-14 |