Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356144 | Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers | Garth Norman SHOWALTER, Mario DI COLA, John Michael Gott, Patrick Ross Spurlock, Gregory Lynn Carney | 2025-07-08 |
| 11659321 | Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers | Garth Norman SHOWALTER, Mario DI COLA, John Michael Gott, Patrick Ross Spurlock, Gregory Lynn Carney | 2023-05-23 |
| 11252500 | Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers | Garth Norman SHOWALTER, Mario DI COLA, John Michael Gott, Patrick Ross Spurlock, Gregory Lynn Carney | 2022-02-15 |
| 10848862 | Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers | Garth Norman SHOWALTER, Mario DI COLA, John Michael Gott, Patrick Ross Spurlock, Gregory Lynn Carney | 2020-11-24 |