Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291854 | Rail system having wheel-engaged hydraulic piston-and-cylinder assembly, and such an assembly | Hendrikus De Jong | 1981-09-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4291854 | Rail system having wheel-engaged hydraulic piston-and-cylinder assembly, and such an assembly | Hendrikus De Jong | 1981-09-29 |