RG

Ralph P. Gumpesberger

📍 London, GB: #2 of 4 inventorsTop 50%
Overall (1994): #80,589 of 165,921Top 50%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5325815 Sifting device — 1994-07-05