Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5443013 | Self steering recreational apparatus for trough-shaped railways | Josef Wiegand | 1995-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5443013 | Self steering recreational apparatus for trough-shaped railways | Josef Wiegand | 1995-08-22 |