RD

Ronald W. Ewer, deceased

PV Pilkington Visioncare: 1 patents #1 of 3Top 35%
Overall (1989): #63,651 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4806010 Multifocal lens Dean G. Scott, Kevin Douglas O'Connor 1989-02-21