Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9257112 | Single coil parallel tapped magnetic pickup | Francis Johns | 2016-02-09 |
| 8802959 | Variable resonant bifilar single coil magnetic pickup | — | 2014-08-12 |
| 5805717 | Light sensitive switch with microphone | — | 1998-09-08 |