Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870906 | Dual switch system for common use by track guided rail vehicles and magnetic vehicles | Gottfried Schaffer | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870906 | Dual switch system for common use by track guided rail vehicles and magnetic vehicles | Gottfried Schaffer | 1989-10-03 |