Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9570894 | Non-return valve for a resin injection system and resin injection system incorporating same | Bernd Schubert, Werner Roehling | 2017-02-14 |
RK
Rolf Karkowski
Overall (All Time): #2,931,238 of 4,157,543Top 75%
1
Patents All Time