RF

Robert J. Fretz

IN Intricon: 1 patents #1 of 5Top 20%
📍 Maplewood, MN: #26 of 64 inventorsTop 45%
🗺 Minnesota: #2,630 of 7,066 inventorsTop 40%
Overall (2017): #264,562 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9571939 Hearing aid positioning system and structure Jean E. Daavettila, Christopher Drake Conger, Vincent Joseph Mako 2017-02-14