Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11824389 | Loudspeaker battery pack | Nicholas Sulzer, Tianbao Xie | 2023-11-21 |
| 11805343 | Loudspeaker accessory tray | Michael D. Kasten, Andrew Grunloh, Nicholas Sulzer, Andrew Cho | 2023-10-31 |
| 11627397 | Loudspeaker having an angled handle | Nicholas Sulzer, Andrew Grunloh, Clifford Krapfl, Michael Herbert, Ross Brinkman | 2023-04-11 |