Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367786 | Hydrostatic bladder-type storage means | Gunther Hafner | 1983-01-11 |
| 4266727 | Double-needle injection-valve | Robert Happel | 1981-05-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367786 | Hydrostatic bladder-type storage means | Gunther Hafner | 1983-01-11 |
| 4266727 | Double-needle injection-valve | Robert Happel | 1981-05-12 |