User device providing electronic publications with dynamic exercises

Assignee

• Amazon

Inventors

• George M. Ionkov (16 patents)
• Dennis H. Harding (5 patents)
• Aaron James Dykstra (14 patents)
• Laura Ellen Grit (8 patents)
• James C. Petts (14 patents)
• Samuel A. Minter (9 patents)
• Lindsey Christina Fowler (5 patents)
• Yong Xi (4 patents)

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