Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477963 | Apparatus and method for steering a guideway vehicle | Ralf Krause, Jeffrey J. Schwalm, Holger Strubelt, William K. Cooper | 2002-11-12 |
| 6308640 | Transportation vehicle steering apparatus | Ralf Krause, Holger Stubelt, Jeffrey J. Schwalm, William K. Cooper | 2001-10-30 |