Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713740 | Switch-mode power supply | — | 1987-12-15 |
| 4538136 | Power line communication system utilizing a local oscillator | — | 1985-08-27 |
| 4361726 | Thermal message printer | William S. Duvall | 1982-11-30 |
| 4271515 | Universal analog and digital tester | Clyde R. Axtell, III | 1981-06-02 |