Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703966 | Vacuum lifting arrangement | Manfred Riesenberg | 1987-11-03 |
| 4693458 | Clamping arrangement for lumber elements | Manfred Riesenberg | 1987-09-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703966 | Vacuum lifting arrangement | Manfred Riesenberg | 1987-11-03 |
| 4693458 | Clamping arrangement for lumber elements | Manfred Riesenberg | 1987-09-15 |