Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8608115 | Roller support for the point rail of a railroad switch | Tilmann Ruetzel, Frank Meyer | 2013-12-17 |
| 8245984 | Adjustment device in railroad switches | Frank Meyer | 2012-08-21 |