Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8014545 | Ceiling or wall-mounted loudspeaker system with anti-diffraction wave launch device | Matthew Grant, Robert G. Johnston, Jr. | 2011-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8014545 | Ceiling or wall-mounted loudspeaker system with anti-diffraction wave launch device | Matthew Grant, Robert G. Johnston, Jr. | 2011-09-06 |