Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7880476 | Method to and apparatus for detecting and locating a fault in an electrical conductor wire | Fiona McKenzie | 2011-02-01 |
| 6173062 | Frequency transpositional hearing aid with digital and single sideband modulation | Farid Dibachi, Arnold Lippa | 2001-01-09 |
| 6169813 | Frequency transpositional hearing aid with single sideband modulation | Arnold Lippa | 2001-01-02 |