Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831239 | Switch with auxiliary and main contacts | Hilbert Gezienus Knol | 2004-12-14 |
| 6791044 | Set of movable contacts for a switch with a set of fixed contacts | Hilbert Gezienus Knol | 2004-09-14 |