Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9781505 | Top port microphone apparatus | John B. Szczech, Greg Servis | 2017-10-03 |
| 9479854 | Microphone assembly with barrier to prevent contaminant infiltration | Peter V. Loeppert, Daniel Giesecke, Sandra F. Vos, John B. Szczech, Sung Bok Lee +1 more | 2016-10-25 |
| 9078063 | Microphone assembly with barrier to prevent contaminant infiltration | Peter V. Loeppert, Daniel Giesecke, Sandra F. Vos, John B. Szczech, Sung Bok Lee +1 more | 2015-07-07 |