Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806715 | Tensioning device for the driving spring of an energy store for electrical switches | Gerhard Harz | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806715 | Tensioning device for the driving spring of an energy store for electrical switches | Gerhard Harz | 1989-02-21 |