Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805032 | Electrical filter for attenuating oscillations in AC mains | Werner Herbst | 1998-09-08 |
| 4709966 | Protective device | James G. Parkinson | 1987-12-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5805032 | Electrical filter for attenuating oscillations in AC mains | Werner Herbst | 1998-09-08 |
| 4709966 | Protective device | James G. Parkinson | 1987-12-01 |