Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9823158 | Multi-function ultrasonic sound generator with an audio transducer for human hearing | Arthur R. Hughes | 2017-11-21 |
| 9786033 | Measurement instrumentation with a rolling display | — | 2017-10-10 |