Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839623 | Magnetic core blanks of magnetically permeable sheet material | Mohammed M. Hamzezadeh | 1989-06-13 |
| 4839624 | Magnetic cores | — | 1989-06-13 |
| 4803773 | Method of making magnetic cores | — | 1989-02-14 |