DO

Dennis A. Oberlander

📍 Albertville, MN: #1 of 1 inventorsTop 100%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #120,719 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4870688 Mass production auditory canal hearing aid Barry Voroba 1989-09-26