Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677510 | Gas generating mixture | Norbert Eisenreich, Helmut Schmid, Walter Engel | 1997-10-14 |
| 5663524 | Gas generating mixture containing copper diammine dinitrate | Norbert Eisenreich, Helmut Schmid, Walter Engel | 1997-09-02 |
| 5596168 | Solid propellant based on phase-stabilized ammonium nitrate | Klaus Menke, Jutta Bohnlein-Mauss, Helmut Schmid, Walther Engel | 1997-01-21 |