Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7637438 | Non-positive fit elastic rail connection for track systems | Frank Meyer | 2009-12-29 |
| 7070152 | Sleeper-mounted railroad-switch actuator | Frank Meyer | 2006-07-04 |
| 6279833 | Guide-rail attachment for railroad switch | — | 2001-08-28 |
| 4770343 | Resilient rail fixing device for track installations | Armin Heim, Siegfried Keusch | 1988-09-13 |
| 4728031 | Apparatus for fastening rails to railroad ties | Armin Heim, Johannes Horn | 1988-03-01 |