Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462481 | Process and apparatus for regulating the supply of fresh air in high-speed trains | Hans J. Riedel | 1995-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462481 | Process and apparatus for regulating the supply of fresh air in high-speed trains | Hans J. Riedel | 1995-10-31 |