Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868532 | Transformer with a two-piece primary winding and housing | Dan Ehrenhalt | 1989-09-19 |
| 4868533 | Transformer with a one-piece primary winding and housing | Dan Ehrenhalt | 1989-09-19 |
| 4847517 | Microwave tube modulator | Dan Ehrenhalt | 1989-07-11 |
| 4841258 | Method for packaging a microwave tube modulator | Dan Ehrenhalt | 1989-06-20 |