DK

David R. Kreft

OP Opielab: 1 patents #3 of 4Top 75%
VS Vision Sciences: 1 patents #14 of 25Top 60%
Overall (All Time): #2,300,389 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5193525 Antiglare tip in a sheath for an endoscope Fred E. Silverstein, Eric A. Opie, Bandula Wijay 1993-03-16
4947827 Flexible endoscope Eric A. Opie, Fred E. Silverstein 1990-08-14