Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513945 | Apparatus for removing the upper waste layer resulting in cutting plastic porous concrete blocks or the like | Wilfried Hartmann | 1996-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513945 | Apparatus for removing the upper waste layer resulting in cutting plastic porous concrete blocks or the like | Wilfried Hartmann | 1996-05-07 |