Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9636259 | Water resistant acoustic port in ear-mouthed hearing device | Paul D. Henry, David A. Hotvet | 2017-05-02 |
DL
David M. Lutgring
Overall (2017): #447,812 of 506,227Top 90%
1
Patents 2017