LS

Lev Shapiro

Overall (All Time): #1,923,295 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10843994 Recovery of oxalic acid from industrial ferrous oxalate Reuben Schapiro, Vladimir Boiko 2020-11-24
9752238 Method and formulations for removing rust and scale from steel and for regenerating pickling liquor in hot-dip galvanization process Reuben Schapiro, Vladimir Boiko 2017-09-05