Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7005844 | Measuring circuit arrangement for electricity meters for direct connection | Jacob De Vries | 2006-02-28 |
| 6847201 | Compensation circuit for the phase shift in electric meters for direct connection | Jacob De Vries | 2005-01-25 |