Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952868 | Magnet assembly apparatus | Paul L. Johnson, David L. Duvick | 2005-10-11 |
| 6556115 | Assembly apparatus for magnetizing magnets | Paul L. Johnson | 2003-04-29 |
| 6499211 | Holding tray | — | 2002-12-31 |
| 6401327 | Method of assembling a magnet assembly with self-centering assembly posts | Paul L. Johnson, David L. Duvick | 2002-06-11 |
| 6315125 | Storage device and assembly method for magnets for a voice coil motor | — | 2001-11-13 |
| 6293029 | Measurement instrument for components of a voice coil motor | — | 2001-09-25 |
| 6145189 | Apparatus for assembling magnets for a voice coil motor | — | 2000-11-14 |
| 6047459 | Method for assembly of components for a voice coil motor | Paul L. Johnson, David L. Duvick | 2000-04-11 |
| 6018864 | Apparatus for assembly of components for a voice coil motor | Paul L. Johnson, David L. Duvick | 2000-02-01 |
| 6015000 | Method and apparatus for magnet/backiron bonding using slip fit pins | — | 2000-01-18 |
| 5966271 | Apparatus for assembling a magnet and backiron for a voice coil motor | — | 1999-10-12 |
| 5929630 | Magnetic flux sensor apparatus | David L. Duvick, Marcus John Wieczorek | 1999-07-27 |
| 5877404 | Method and apparatus for calibrating magnet/backiron bonding station | — | 1999-03-02 |