Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8464758 | Valve system | Alfred Breunig, Walter Kirsch | 2013-06-18 |
JH
Josef Hessdoerfer
Overall (All Time): #3,163,281 of 4,157,543Top 80%
1
Patents All Time