RH

Ralph Hill

Overall (All Time): #1,799,446 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D979008 Mosquito trap Onega Ulanova, Konstantin Dolgan 2023-02-21
4237912 Washing, pasteurizing and disinfecting apparatus Eleanor S. Hill, William J. Hill 1980-12-09