RM

Robert M. Michalsen

RA Rayovac: 1 patents #78 of 170Top 50%
📍 Des Plaines, IL: #360 of 807 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,236,007 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6039185 Hearing aid battery inserter Richard L. Pedracine 2000-03-21
5828757 Directional hearing aid assembly Beatrix Kopesdy 1998-10-27