Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6766924 | Metering ball-valve with biased housing | Tony Kortleve-Snider | 2004-07-27 |
| 6706518 | Clearing waste water pipes or grease traps clogged with grease with a grease solvent | Hans-Eberhard Lorenz, Albrecht Lang, Manuel Lüling | 2004-03-16 |