Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10643540 | Control head with electroluminescent panel in land mobile radio | William Earl Dunnigan, Troy Frandsen | 2020-05-05 |
| 10559259 | Control head with electroluminescent panel in land mobile radio | Troy Frandsen, William Earl Dunnigan | 2020-02-11 |
| 9852692 | Control head with electroluminescent panel in land mobile radio | Troy Frandsen, William Earl Dunnigan | 2017-12-26 |
| 9824635 | Control head with electroluminescent panel in land mobile radio | Troy Frandsen, William Earl Dunnigan | 2017-11-21 |
| 9262958 | Control head with electroluminescent panel in land mobile radio | Troy Frandsen, William Earl Dunnigan | 2016-02-16 |
| D636361 | Control head with electroluminescent panel for a land mobile radio | Troy Frandsen | 2011-04-19 |