Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566443 | Methods of making power distribution transformers | John Grant | 1996-10-22 |
| 5455553 | Distribution transformers | John Grant | 1995-10-03 |
| 5387894 | Distribution transformers | John Grant | 1995-02-07 |