Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659363 | Two-block concrete railroad tie for a fixed rail carriageway | — | 2003-12-09 |
| 6554199 | Trackway for transrapid | Hermann C. Flessner, Rolf Werner | 2003-04-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659363 | Two-block concrete railroad tie for a fixed rail carriageway | — | 2003-12-09 |
| 6554199 | Trackway for transrapid | Hermann C. Flessner, Rolf Werner | 2003-04-29 |