JD

Jaroslav R. Derka

📍 Peace River, CA: #3 of 4 inventorsTop 75%
Overall (1994): #120,951 of 165,921Top 75%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5332565 Manufacture of ferric sulphate compounds — 1994-07-26