Visual acuity examination

Assignee

• Welch Allyn

Inventors

• John A. Lane (104 patents)
• Ervin Goldfain (67 patents)
• Megan M. Schneider (5 patents)
• Yaolong Lou (10 patents)
• David L. Kellner (9 patents)
• Mathias Mereles (1 patents)
• Chris R. Roberts (42 patents)
• Tyson B. Whitaker (18 patents)

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