Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606020 | Low cost method of making a high impedance electrical transformer and products of said method | — | 2003-08-12 |
| 4879018 | Low voltage anodizing process and apparatus | Charles Fenoglio, Jeffrey R. Pernick, Fred C. Schaedel | 1989-11-07 |
| 4476521 | Perin rectifier apparatus | — | 1984-10-09 |
| 4396811 | D.C. Power reversing switch | — | 1983-08-02 |