Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466678 | Hearing aid having digital damping | Mead C. Killion, Chris W. Papalias, Dan Mapes-Riordan | 2002-10-15 |
| 6445233 | Multiple time constant rectifier apparatus and method | Hoang Minh Pinai, Clyde Kip M. Brown, Jr. | 2002-09-03 |
| 6307490 | Digital to analog converter trim apparatus and method | Helmuth R. Litfin, Clyde M. Brown, Jr. | 2001-10-23 |
| 6047075 | Damper for hearing aid | Mead C. Killion, Chris W. Papalias | 2000-04-04 |
| 5812679 | Electronic damper circuit for a hearing aid and a method of using the same | Mead C. Killion, Chris W. Papalias | 1998-09-22 |
| 4975654 | Data signal discrimination method and apparatus | Vincent Pluvinage | 1990-12-04 |