RE

Ranko F. F. Effenberger

📍 Luckau, DE: #11 of 25 inventorsTop 45%
Overall (All Time): #2,328,129 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4800684 Apparatus for grinding and lapping sealing surfaces in slide valves and the like in situ or in the workshop — 1989-01-31
4549373 Apparatus for grinding and lapping annular sealing faces — 1985-10-29