Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D412705 | Combined portable microphone and speaker | Michael N. Laiacona, James G. Kelsey | 1999-08-10 |
| D330896 | Headphone control box | Michael N. Laiacona, James G. Kelsey | 1992-11-10 |
| D318279 | Multi-channel mixer for a headphone control box | Michael A. Laiacona, James G. Kelsey | 1991-07-16 |