RD

Ronald W. Ewer, deceased

PV Pilkington Visioncare: 1 patents #5 of 35Top 15%
Overall (All Time): #2,328,623 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4806010 Multifocal lens Dean G. Scott, Kevin Douglas O'Connor 1989-02-21
4522768 Casting gasket assembly and method for casting lenses therefrom Harold N. Roscrow, Philip H. Squires 1985-06-11