Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12192698 | Loudspeaker with reduced audio coloration caused by reflections from a surface | Martin E. Johnson, Simon K. Porter, John H. Sheerin | 2025-01-07 |
| 11818535 | Loudspeaker with reduced audio coloration caused by reflections from a surface | Martin E. Johnson, Simon K. Porter, John H. Sheerin | 2023-11-14 |
| 11290805 | Loudspeaker with reduced audio coloration caused by reflections from a surface | Martin E. Johnson, Simon K. Porter, John H. Sheerin | 2022-03-29 |
| 10652650 | Loudspeaker with reduced audio coloration caused by reflections from a surface | Martin E. Johnson, Simon K. Porter, John H. Sheerin | 2020-05-12 |
| 10623864 | Audio speaker surround geometry for improved pistonic motion | Pablo Seoane Vieites, Christopher Wilk, Alexander V. Salvatti, Oliver Leonhardt, Scott P. Porter | 2020-04-14 |
| 10334355 | Multi-driver acoustic horn for horizontal beam control | Martin E. Johnson, Christopher Wilk, John H. Sheerin, Tom-Davy W. Saux | 2019-06-25 |
| 10129652 | Audio speaker surround geometry for improved pistonic motion | Pablo Seoane Vieites, Christopher Wilk, Alexander V. Salvatti, Oliver Leonhardt, Scott P. Porter | 2018-11-13 |
| 10015584 | Loudspeaker with reduced audio coloration caused by reflections from a surface | Martin E. Johnson, Simon K. Porter, John H. Sheerin | 2018-07-03 |
| 9288582 | Suspension system for micro-speakers | Pablo Seoane Vieites, Christopher Wilk, Alexander V. Salvatti, Scott P. Porter, Justin D. Crosby | 2016-03-15 |
| 9271084 | Suspension system for micro-speakers | Pablo Seoane Vieites, Christopher Wilk, Alexander V. Salvatti, Scott P. Porter, Justin D. Crosby | 2016-02-23 |