DS

Donald W. Schaefer

MD Medical Devices: 1 patents #1 of 1Top 100%
📍 Lakewood, CO: #5 of 65 inventorsTop 8%
🗺 Colorado: #215 of 1,224 inventorsTop 20%
Overall (1989): #119,027 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4850962 Implantable hearing aid and method of improving hearing — 1989-07-25