WB

William S. Benjamin

Overall (All Time): #2,353,175 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D280769 Sponge mop Robert S. Johnson, Paul E. Fletcher, John I. Zsitvay 1985-09-24
4516287 Angled roller mop Robert S. Johnson, Paul E. Fletcher, John I. Zsitvay 1985-05-14