Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347706 | Method for making packets of amorphous steel strip for transformer core manufacture | David R. Freeman | 1994-09-20 |
| 5321883 | Apparatus for making a transformer core comprising strips of amorphous stell wrapped around the core window | David R. Freeman | 1994-06-21 |
| 5315754 | Method of making a transformer core comprising strips of amorphous steel wrapped around the core window | William K. Houser | 1994-05-31 |
| 5291648 | Apparatus for making a transformer core comprising amorphous metal strips surrounding the core window | Donald E. Ballard | 1994-03-08 |
| 5285565 | Method for making a transformer core comprising amorphous steel strips surrounding the core window | Donald E. Ballard | 1994-02-15 |