Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525602 | Method of and a circuit for energizing a subscriber's circuit in a telephone system | Hans Goschin | 1985-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4525602 | Method of and a circuit for energizing a subscriber's circuit in a telephone system | Hans Goschin | 1985-06-25 |