Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232785 | Portable microphone/speaker for audio signal line testing | — | 2001-05-15 |
| D412705 | Combined portable microphone and speaker | Michael N. Laiacona, Carlton L. Cornell | 1999-08-10 |
| 5731536 | Audio signal processing circuit for electric guitars for simulating the sound produced by the combination of an amplifier and microphone | — | 1998-03-24 |
| D330896 | Headphone control box | Michael N. Laiacona, Carlton L. Cornell | 1992-11-10 |
| D318279 | Multi-channel mixer for a headphone control box | Michael A. Laiacona, Carlton L. Cornell | 1991-07-16 |