Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6837780 | Lapping and polishing device | — | 2005-01-04 |
| 6048261 | Polishing disc support and polishing process | — | 2000-04-11 |
| 5022191 | Polishing plate | — | 1991-06-11 |
| 4833913 | Sample having coated perforations intended to be examined under the microscope and its preparation process, particularly for printed circuit boards | — | 1989-05-30 |