Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698842 | Audio processing system for restoring bass frequencies | Gregory C. Mackie, Chih-Ming Chen | 1987-10-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698842 | Audio processing system for restoring bass frequencies | Gregory C. Mackie, Chih-Ming Chen | 1987-10-06 |