Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289149 | Electron beam adjusting device with magnet rings of differing alnico powdered metal content | Masatoshi Hirai | 1994-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289149 | Electron beam adjusting device with magnet rings of differing alnico powdered metal content | Masatoshi Hirai | 1994-02-22 |