SK

Shinzou Katayama

Overall (All Time): #1,651,764 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5439175 Cleaning device for a tube 1995-08-08
5257433 Cleaner for piping 1993-11-02
5143105 Cleaning device for tube 1992-09-01