DK

David L. Kellner

WA Welch Allyn: 1 patents #43 of 72Top 60%
Overall (2020): #500,359 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Patent #TitleCo-InventorsDate
10702147 Method and apparatus for controlling accommodation and pupil size during an eye examination John A. Lane, Eric J. Laurin, Zachary K. Boronka 2020-07-07