DH

David J. Haskvitz

OI Once Innovations: 2 patents #2 of 8Top 25%
📍 Maple Grove, MN: #40 of 218 inventorsTop 20%
🗺 Minnesota: #1,418 of 7,066 inventorsTop 25%
Overall (2017): #160,341 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9775209 High frequency AC LED lighting system Zdenko Grajcar 2017-09-26
9730288 Dimmable analog AC circuit 2017-08-08