AH

Andrew J. Haapapuro

ER Etymotic Research: 1 patents #2 of 13Top 20%
📍 Arlington Heights, IL: #35 of 107 inventorsTop 35%
🗺 Illinois: #1,559 of 5,780 inventorsTop 30%
Overall (2003): #263,458 of 273,478Top 100%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6666295 Acoustic resistor for hearing improvement and audiometric applications, and method of making same Mead C. Killion 2003-12-23