Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961220 | Laser welded head drum for VCR | Philippe Berthaud | 2005-11-01 |
| 6922315 | Head drum with magnetic mounting of rotary transformer | Philippe Berthaud, Jean-Pierre Collin | 2005-07-26 |