Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10586525 | Array of acoustical returner devices to reflect sound back in the incident direction | Jeffrey S. Madison | 2020-03-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10586525 | Array of acoustical returner devices to reflect sound back in the incident direction | Jeffrey S. Madison | 2020-03-10 |