CA

C. Roger Anderson

ER Etymotic Research: 1 patents #6 of 17Top 40%
📍 Wilmette, IL: #16 of 29 inventorsTop 60%
🗺 Illinois: #1,480 of 5,663 inventorsTop 30%
Overall (2004): #251,216 of 270,089Top 95%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6704423 Hearing aid assembly having external directional microphone John S. French, Robert B. Schulein 2004-03-09