Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324186 | Convertible rail-highway lateral track set off apparatus | Josef Theurer | 1982-04-13 |
| 4316416 | Mobile apparatus for replacing old track ties by new track ties | Josef Theurer | 1982-02-23 |