Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5924855 | Screw compressor with cooling | Christian Dahmlos, Ralf Steffens | 1999-07-20 |
| 5904473 | Vacuum pump | Christian Dahmlos, Ralf Steffens | 1999-05-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5924855 | Screw compressor with cooling | Christian Dahmlos, Ralf Steffens | 1999-07-20 |
| 5904473 | Vacuum pump | Christian Dahmlos, Ralf Steffens | 1999-05-18 |