DD

David J. Delage

ER Etymotic Research: 1 patents #6 of 17Top 40%
📍 Portsmouth, NH: #3 of 15 inventorsTop 20%
🗺 New Hampshire: #250 of 979 inventorsTop 30%
Overall (2004): #240,645 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6731768 Hearing aid having switched release automatic gain control — 2004-05-04