Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5015225 | Implantable electromagnetic middle-ear bone-conduction hearing aid device | Jack V. D. Hough, Kenneth J. Dormer, Kenneth Edward Barton | 1991-05-14 |
| 4776322 | Implantable electromagnetic middle-ear bone-conduction hearing aid device | Jack V. D. Hough, Kenneth J. Dormer, Kenneth Edward Barton | 1988-10-11 |
| 4612915 | Direct bone conduction hearing aid device | Jack V. D. Hough, Gordon L. Richard, Kenneth Edward Barton, Paul DiCarlo | 1986-09-23 |