Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8310415 | Medical devices using bistable displays | Ian Maxwell Shipway, John Quinlan | 2012-11-13 |
| 5321758 | Power efficient hearing aid | Albert J. Charpentier, Duane J. Loeper, Edouard A. Gauthier, David W. DiOrio | 1994-06-14 |
| 5111506 | Power efficient hearing aid | Albert J. Charpentier, Duane J. Loeper, Edouard A. Gauthier, David W. DiOrio | 1992-05-05 |