Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002571 | Lightning arrester assembly for an overhead electricity line with a device for flagging an arrester malfunction | Rene Joulie, Emmanuel Brocard | 1999-12-14 |
| 5875090 | Lightning arrestor with a thermoplastic envelope having an embossed outside surface | Rene Joulie | 1999-02-23 |
| 5373242 | Device for detecting and for indicating fault current through a lightning arrestor or an insulator | Rene Joulie, Rene Parraud | 1994-12-13 |
| 4670624 | Electrical suspension insulator having corrosion protective device for insulator cap thereof | Daniel de Decker, Rene Parraud | 1987-06-02 |