Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8920315 | Quick-action tensioning clip of a wound retractor | — | 2014-12-30 |
| 8579808 | Tensioning device of a surgical retractor | — | 2013-11-12 |
| 7249456 | Method of controlling a heating device of a particle filter | Hans-Peter Frisse, Arno Schindler, Klaus Schrewe | 2007-07-31 |
| 7044992 | Particle filter for exhaust gases of internal combustion engine engines | Gerhard Frankle, Hans-Peter Frisse, Carsten Jutka, Jochen Koll, Franz Kraft | 2006-05-16 |
| 7029510 | Particle filter with carbon deposit combustion for diesel engines | Gerhard Frankle, Hans-Peter Frisse, Carsten Jutka, Jochen Koll, Klaus Schrewe | 2006-04-18 |
| 4819290 | Sweeping machine | — | 1989-04-11 |