Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12138045 | In-vehicle hearing test | Joshua Wheeler, Pietro Buttolo, Cynthia M. Neubecker, David Graham Smith | 2024-11-12 |
| 11741926 | Echo cancelation | Ranjani Rangarajan, Leah Busch, David Graham Smith, Jake Schwartz | 2023-08-29 |
| 9438051 | USB power outlet/charger direct replacement for automotive cigar lighter/power outlet | Gary Lee Firman, II, Richard P. Cuplin | 2016-09-06 |