Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5008613 | Voltage tester for graduated optical display of a voltage and method for its manufacture | Heinrich Wolfgang Steinel, Ulrich Armonier | 1991-04-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5008613 | Voltage tester for graduated optical display of a voltage and method for its manufacture | Heinrich Wolfgang Steinel, Ulrich Armonier | 1991-04-16 |