Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670735 | Propellant igniting system and method of making the same | Helmut Ortmann, Gunter Frye, Manfred Lubben | 1997-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670735 | Propellant igniting system and method of making the same | Helmut Ortmann, Gunter Frye, Manfred Lubben | 1997-09-23 |