Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607822 | Shutoff valve with a conical valve seat | Hans-Peter Schabert, Max Heller, Erwin Laurer | 1986-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607822 | Shutoff valve with a conical valve seat | Hans-Peter Schabert, Max Heller, Erwin Laurer | 1986-08-26 |