Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10452584 | Multimode audio accessory connector | Daniel Grobe Sachs, Charles B. Harmke | 2019-10-22 |
| 10455340 | Validating the operation of a transducer and an audio signal path | Daniel Grobe Sachs, Charles B. Harmke | 2019-10-22 |
| 10353840 | Secure digital format card having two interfaces to communicate with two processors | Juan J. Giol, Matthew E. Simms | 2019-07-16 |
| 10236972 | Method and apparatus for providing expanded interface operation between a portable communication device and an accessory | Daniel Grobe Sachs, Charles B. Harmke | 2019-03-19 |