CL

Christopher J. Ludewig

EJ E.F. Johnson: 1 patents #1 of 9Top 15%
📍 Northfield, MN: #4 of 11 inventorsTop 40%
🗺 Minnesota: #813 of 3,156 inventorsTop 30%
Overall (1997): #167,620 of 185,788Top 95%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5689171 Battery charger — 1997-11-18