Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920220 | Pre-zero crossing signal generator for sinusoidal voltages with DC offsets such as telephone ring voltages | — | 2005-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920220 | Pre-zero crossing signal generator for sinusoidal voltages with DC offsets such as telephone ring voltages | — | 2005-07-19 |