Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978919 | Holder for a drive piston of a setting tool | Stefan Bonig, Franz Buchel, Markus Frommelt, Thomas Sperrfechter, Norbert Heeb | 2005-12-27 |
| 6880738 | Propellant charge magazine for a setting tool | Tilo Dittrich, Thomas Sperrfechter, Norbert Heeb, Mario Scalet | 2005-04-19 |