JP

James F. Ptacek

LA Labconco: 1 patents #1 of 4Top 25%
📍 Kansas City, MO: #3 of 57 inventorsTop 6%
🗺 Missouri: #190 of 1,010 inventorsTop 20%
Overall (1994): #119,220 of 165,921Top 75%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5373197 High voltage dual output laboratory power supply Karmon D. Almquist, Robert R. Vetter, John L. Aker 1994-12-13