Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006681 | Leaf spring system and an electric switch provided with such a leaf spring system | Albert Postmus | 1991-04-09 |
| 4935711 | Electromagnetic switch | Johannes T. Hopman, Jan W. Hoekstra | 1990-06-19 |
| 4562320 | Current-limiting device | — | 1985-12-31 |
| 4542364 | End cap for an electric high voltage fuse | — | 1985-09-17 |
| 4536735 | Current limiting high voltage fuse assembly | — | 1985-08-20 |
| 4354215 | Selective safety device for the protection of a power distribution system | — | 1982-10-12 |
| 4319210 | Current limiting switch capable of rapid circuit breaking | Hendrik A. Bosch | 1982-03-09 |