Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709859 | High pressure washing apparatus | Werner Schulze | 1987-12-01 |
| 4566723 | Coupler for hose lines of high-pressure cleaning and spraying equipment | Werner Schulze, Emil Scheef, Heinz Dautel | 1986-01-28 |