Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10148800 | Acoustic compensation chamber for a remotely located audio device | Timothy E. Sandrik, Mitchell Heschke, Lee B. Hamstra | 2018-12-04 |
AF
Austin L. Frederickson
Overall (2018): #480,030 of 503,207Top 100%
1
Patents 2018