Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9748910 | Instrument interconnect system | — | 2017-08-29 |
| 4481662 | Method and apparatus for operating a loudspeaker below resonant frequency | Edward M. Long | 1984-11-06 |
| 4361736 | Pressure recording process and device | Edward M. Long | 1982-11-30 |