Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351732 | Tactile and visual hearing aids utilizing sonogram pattern | Elmer H. Hara | 2002-02-26 |
| 6230139 | Tactile and visual hearing aids utilizing sonogram pattern recognition | Elmer H. Hara | 2001-05-08 |