Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351363 | Hydro-pneumatic pressure vessel | Heinz Siegel | 1982-09-28 |
| 4252151 | Pressure vessel | August Kraisel, Heinz Siegel | 1981-02-24 |
GH
Gerhard Haug
Overall (All Time): #2,368,011 of 4,157,543Top 60%
2
Patents All Time